CaratHunter
Plans
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 $2,264 AUD
$1,590 USD
As of October 31, 2026
Save $6,065 AUD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,328 AUD 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 $2,264 to $8,328, a $6,065 spread on the same certified stone. Brilliant Earth lists it at $8,328. 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
H
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
Top View
13.24 mm13.21 mm8.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610311857
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
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: $8,328 AUD|Low: $1,649 AUD|High: $8,584 AUD|Avg: $4,231 AUD|-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$1,649 AUD
Retailer 4$1,794 AUD
Retailer 7$1,886 AUD
Retailer 17$2,019 AUD
Retailer 10$2,264 AUD
Retailer 13$2,787 AUD
Retailer 12$3,139 AUD
Retailer 16$3,200 AUD
Retailer 2$3,330 AUD
Retailer 6$3,585 AUD
Retailer 14$3,868 AUD
Retailer 15$5,613 AUD
Retailer 11$6,521 AUD
Retailer 8$6,595 AUD
Retailer 9$6,749 AUD
Retailer 3$7,078 AUD
Brilliant Earth$8,328 AUD

28 data points across 17 retailers

15 retailers$2,264 AUD to $8,328 AUD

Retailer 1
-
$1,649 AUD
$1,158 USD
Price last confirmed 38 days ago
Retailer 2
-
$1,794 AUD
$1,260 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$1,886 AUD
$1,325 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$2,019 AUD
$1,418 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$2,264 AUD
$1,590 USD
View
A
Retailer 6
-
$2,787 AUD
$1,958 USD
View
Retailer 7
-
$3,139 AUD
£1,736 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$3,200 AUD
$2,248 USD
View
B+
Retailer 9
-
$3,330 AUD
€2,228 EUR
View
Retailer 10
-
$3,585 AUD
$2,518 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
$3,868 AUD
$2,717 USD
View
B
Retailer 12
-
$5,613 AUD
$3,943 USD
View
B
Retailer 13
-
$6,521 AUD
£3,607 GBP
View
Retailer 14
-
$7,078 AUD
$4,972 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
8644958A · Oct 31
$8,328 AUD
$5,850 USD
View
14 more retailers have this diamond
Prices start from $2,264 AUDSave up to $6,065 AUD

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.

A
8.51ct Round
$2,264 AUD