Round|Lab Grown|IGI

8.51ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG610311857

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610311857

Diamond specifications and retailer prices

From $2,821 NZD

$1,590 USD

As of October 31, 2026

Save $7,559 NZD (73%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $10,380 NZD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 8.51ct lab-grown round diamond

This 8.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG610311857 or 610311857. Listed at 15 retailers as of October 31, 2026, with prices from $2,821 to $10,380, a $7,559 spread on the same certified stone. Brilliant Earth lists it at $10,380. 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

8.51

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG610311857

Dimensions13.24 × 13.21 × 7.95 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG610311857

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 31

Current: $10,380 NZD|Low: $2,055 NZD|High: $10,699 NZD|Avg: $5,274 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 31, 2026

Retailer 5$2,055 NZD

Retailer 4$2,236 NZD

Retailer 7$2,351 NZD

Retailer 17$2,516 NZD

Retailer 10$2,821 NZD

Retailer 13$3,474 NZD

Retailer 12$3,912 NZD

Retailer 16$3,989 NZD

Retailer 2$4,151 NZD

Retailer 6$4,468 NZD

Retailer 14$4,821 NZD

Retailer 15$6,996 NZD

Retailer 11$8,128 NZD

Retailer 8$8,220 NZD

Retailer 9$8,412 NZD

Retailer 3$8,821 NZD

Brilliant Earth$10,380 NZD

28 data points across 17 retailers

15 retailers$2,821 NZD to $10,380 NZD

Retailer 1

$2,055 NZD

$1,158 USD

Price last confirmed 39 days ago

Retailer 2

$2,236 NZD

$1,260 USD

View

Price last confirmed 38 days ago

Retailer 3

$2,351 NZD

$1,325 USD

View

Price last confirmed 35 days ago

Retailer 4

$2,516 NZD

$1,418 USD

View

Price last confirmed 21 days ago

Retailer 5

$2,821 NZD

$1,590 USD

View

Retailer 6

$3,474 NZD

$1,958 USD

View

Retailer 7

$3,912 NZD

£1,736 GBP

View

Price last confirmed 15 days ago

B+

Retailer 8

$3,989 NZD

$2,248 USD

View

B+

Retailer 9

$4,151 NZD

€2,228 EUR

View

Retailer 10

$4,468 NZD

$2,518 USD

View

Price last confirmed 34 days ago

B+

Retailer 11

$4,821 NZD

$2,717 USD

View

Retailer 12

$6,996 NZD

$3,943 USD

View

Retailer 13

$8,128 NZD

£3,607 GBP

View

Retailer 14

$8,821 NZD

$4,972 USD

View

Price last confirmed 13 days ago

Most Expensive

Brilliant Earth

8644958A · Oct 31

$10,380 NZD

$5,850 USD

View

14 more retailers have this diamond

Prices start from $2,821 NZDSave up to $7,559 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

8.51ct Round

$2,821 NZD