Round|Lab Grown|IGI

3.51ct H VVS2 Round Lab Grown Diamond

EX • H/VVS2 • IGI LG722551256

Shape and cutting style on the report: Round brilliant

Certificate IGI LG722551256

Diamond specifications and retailer prices

From $917 NZD

$517 USD

As of October 29, 2026

Save $5,310 NZD (85%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $6,228 NZD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG722551256 or 722551256. Listed at 18 retailers as of October 29, 2026, with prices from $917 to $6,228, a $5,310 spread on the same certified stone. Brilliant Earth lists it at $6,228. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.2°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG722551256

Dimensions9.91 × 9.87 × 5.94 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG722551256

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $6,228 NZD|Low: $788 NZD|High: $6,423 NZD|Avg: $2,283 NZD|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

October 29, 2026

Retailer 4$788 NZD

Retailer 17$917 NZD

Retailer 3$1,017 NZD

Retailer 16$1,017 NZD

Retailer 13$1,195 NZD

Retailer 9$1,372 NZD

Retailer 15$1,535 NZD

Retailer 5$1,592 NZD

Retailer 6$1,710 NZD

Retailer 2$2,149 NZD

Retailer 8$2,198 NZD

Retailer 10$2,209 NZD

Retailer 11$2,734 NZD

Retailer 7$2,974 NZD

Retailer 14$3,325 NZD

Retailer 12$3,759 NZD

Brilliant Earth$6,228 NZD

26 data points across 17 retailers

18 retailers$917 NZD to $6,228 NZD

Retailer 1

$788 NZD

$444 USD

Price last confirmed 23 days ago

Retailer 2

$917 NZD

$517 USD

View

Final sale: no returns

Retailer 3

$919 NZD

$518 USD

View

Price last confirmed 25 days ago

Retailer 4

$1,017 NZD

$573 USD

View

Price last confirmed 29 days ago

Retailer 5

$1,017 NZD

$573 USD

View

Price last confirmed 15 days ago

Retailer 6

$1,195 NZD

£530 GBP

View

Price last confirmed 14 days ago

Retailer 7

$1,535 NZD

$865 USD

View

B+

Retailer 8

$1,592 NZD

$897 USD

View

Retailer 9

$1,710 NZD

$964 USD

View

B+

Retailer 10

$2,149 NZD

A$1,863 AUD

View

B+

Retailer 11

$2,198 NZD

$1,239 USD

View

B+

Retailer 12

$2,209 NZD

ZAR 20,109 ZAR

View

B+

Retailer 13

$2,734 NZD

$1,541 USD

View

Retailer 14

$2,974 NZD

£1,320 GBP

View

Price last confirmed 24 days ago

Retailer 15

$3,270 NZD

$1,843 USD

View

Price last confirmed 24 days ago

Retailer 16

$3,325 NZD

$1,874 USD

View

Retailer 17

$3,759 NZD

£1,668 GBP

View

Most Expensive

Brilliant Earth

18326212A · Oct 29

$6,228 NZD

$3,510 USD

View

17 more retailers have this diamond

Prices start from $917 NZDSave up to $5,310 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

Similar diamonds

3.51ct Round

$917 NZD