ZKZ Jewelry Is A Leading Lab Grown Diamond And Custom Jewelry Manufacturer

IGI Certified Lab-Grown Round Diamond Ring, 3.16ct D VVS, US Size 6.75, ZKZ-144 1

IGI Certified Lab-Grown Round Diamond Ring, 3.16ct D VVS, US Size 6.75, ZKZ-144 2

IGI Certified Lab-Grown Round Diamond Ring, 3.16ct D VVS, US Size 6.75, ZKZ-144 3

IGI Certified Lab-Grown Round Diamond Ring, 3.16ct D VVS, US Size 6.75, ZKZ-144

Diamond Weight:

3CTW

color:

colorless

Price:

US $1631

Minimum Order Quantity:

1 Piece

Model Number:

ZKZ-144

Brand Name:

ZKZ Jewelry

Place of Origin:

China

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Barcode

2502100009

Ring size

6.75

Side Stones

0.636ct

Diamond Shape

Round

Metal

Yellow Gold

Diamond Type

Lab-Grown Diamond

Diamond Clarity

VVS

Diamond Color

DEF

Carat Weight

3.16ct

Certified, Ethical, Luxurious, Brilliant

This IGI-certified lab-grown round diamond ring (3.16 ct, D color, VVS clarity, US size 6.75) delivers stunning brilliance and sustainable value for buyers who want a show-stopping, responsibly sourced center stone. The brilliant round cut in a timeless solitaire-style setting maximizes sparkle and a near-flawless face-up appearance courtesy of its high D/VVS grading. Packaged in a luxury gift box with full IGI documentation and SKU ZKZ-144, it arrives ready for gifting or immediate wear, giving you confidence in authenticity and quality.

Certified Lab Grown Brilliance

This IGI-certified lab-grown round diamond ring (model ZKZ-144) features a 3.16 ct D color, VVS clarity center stone in US size 6.75. As a lab-grown, IGI-graded gem it provides ethical provenance, exceptional colorlessness and clarity, and strong value compared with mined equivalents while delivering striking brilliance. The round brilliant geometry and precise faceting maximize light return and scintillation, and the calibrated size and solid construction ensure comfortable, reliable wear.

IGI Certified Lab-Grown Brilliance

This IGI-certified lab-grown round diamond ring showcases a brilliant 3.16-carat center stone with D color and VVS clarity for exceptional sparkle and near-flawless purity. Meticulously crafted as model ZKZ-144, the elegant setting highlights the diamond's round cut and timeless sophistication. Sized at US 6.75, the piece offers a comfortable fit and an ethical, high-quality alternative to mined stones.

◎ Radiant Ethical Brilliance

◎ Flawless Sparkle Purity

◎ Precision Comfortable Timeless

Certified Brilliance, Ethical Elegance

Crafted by ZKZ using advanced lab-grown technology and IGI certification, this round 3.16 ct D VVS diamond ring delivers a conflict-free centerpiece with verified color and clarity in a classic silhouette. The brilliant-cut gem offers exceptional fire and everyday wearability, while the secure setting and US size 6.75 provide comfort and lasting durability. Features and advantages include IGI certification, D color grade, VVS clarity, sustainable lab-grown origin, precision setting, and timeless design—combining luxury, traceability, and strong value.

Material introduction

This IGI-certified ring centers a lab-grown round diamond weighing 3.16 ct with a D color grade and VVS clarity, offering the same brilliance and durability as a mined stone. The gem is precision-mounted in a finely crafted precious-metal setting designed for secure wear and lasting polish. Certified grading and careful material selection provide transparency of origin and dependable long-term performance.

◎ Conflict Free Brilliance

◎ for lasting wear.

◎ Laboratory Precision Craftsmanship

FAQ

Is this ring suitable as an engagement or wedding ring?

Yes. The IGI Certified Lab-Grown Round Diamond Ring (3.16 ct, D color, VVS clarity, US 6.75, ZKZ-144) is an excellent choice for an engagement or special-occasion ring — its large 3.16 ct round brilliant stone, top D color and VVS clarity give exceptional sparkle and a high-quality look suitable for lifelong wear and formal ceremonies.

Can I wear this ring every day? How durable is it?

Lab-grown diamonds have the same physical hardness and durability as natural diamonds (10 on the Mohs scale), so the center stone itself is very durable for daily wear. Long-term wearability also depends on the mounting metal and setting style; prong or delicate pave settings may need occasional checking and maintenance. Remove the ring for heavy manual work, rough sports, and harsh chemicals to protect the setting and keep the diamond secure.

How should I care for and clean this ring to keep it looking its best?

For routine cleaning, soak the ring in warm water with mild dish soap and gently brush with a soft toothbrush, then rinse and pat dry. Most settings tolerate ultrasonic or steam cleaners, but check with the seller or a jeweler first (some settings or side stones may be sensitive). Keep the IGI certificate and store the ring separately to avoid scratches.

The ring is US size 6.75 — can it be resized if needed?

Many rings can be resized up or down, but the ability to resize depends on the band design and metal. Simple solid bands are usually easy to adjust, while intricate or fully paved bands and certain metals (e.g., some platinum alloys) can be harder. Contact the retailer or a qualified jeweler with the ZKZ-144 model to confirm resizing options, costs, and limits before purchasing.

What does IGI certified and “lab-grown” mean for authenticity and insurability?

IGI certification verifies the diamond’s grading (carat, D color, VVS clarity, cut details) and affirms it is lab-grown. Lab-grown diamonds are real diamonds with the same physical and optical properties as natural stones. They are insurable — keep the IGI report and consider obtaining an independent appraisal for insurance replacement value and coverage details.

How can I style this ring and match it with other jewelry?

With a D color, VVS clarity round diamond of this size, the ring pairs beautifully with platinum or white gold for a modern, seamless look, and also contrasts elegantly with yellow or rose gold for a warmer aesthetic. For wedding sets, choose a compatible band profile (contour or classic) so the bands sit flush. For daily styling, consider simpler companion bands to let the 3.16 ct center stone remain the focal point.

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