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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 HK$12,475 HKD
$1,590 USD
As of October 31, 2026
Save HK$33,423 HKD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$45,897 HKD 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 HK$12,475 to HK$45,897, a HK$33,423 spread on the same certified stone. Brilliant Earth lists it at HK$45,897. 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: HK$45,897 HKD|Low: HK$9,085 HKD|High: HK$47,310 HKD|Avg: HK$23,301 HKD|-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
November 1, 2026
Retailer 5HK$9,085 HKD
Retailer 4HK$9,886 HKD
Retailer 7HK$10,396 HKD
Retailer 17HK$11,125 HKD
Retailer 11HK$12,475 HKD
Retailer 13HK$15,362 HKD
Retailer 12HK$17,299 HKD
Retailer 16HK$17,637 HKD
Retailer 10HK$18,354 HKD
Retailer 6HK$19,755 HKD
Retailer 14HK$21,317 HKD
Retailer 15HK$30,936 HKD
Retailer 2HK$35,751 HKD
Retailer 8HK$36,349 HKD
Retailer 9HK$37,197 HKD
Retailer 3HK$39,006 HKD
Brilliant EarthHK$45,897 HKD

29 data points across 17 retailers

15 retailersHK$12,475 HKD to HK$45,897 HKD

Retailer 1
-
HK$9,085 HKD
$1,158 USD
Price last confirmed 39 days ago
Retailer 2
-
HK$9,886 HKD
$1,260 USD
View
Price last confirmed 39 days ago
Retailer 3
-
HK$10,396 HKD
$1,325 USD
View
Price last confirmed 35 days ago
Retailer 4
-
HK$11,125 HKD
$1,418 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
HK$12,475 HKD
$1,590 USD
View
A
Retailer 6
-
HK$15,362 HKD
$1,958 USD
View
Retailer 7
-
HK$17,299 HKD
£1,736 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
HK$17,637 HKD
$2,248 USD
View
B+
Retailer 9
-
HK$18,354 HKD
€2,228 EUR
View
Retailer 10
-
HK$19,755 HKD
$2,518 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
HK$21,317 HKD
$2,717 USD
View
B
Retailer 12
-
HK$30,936 HKD
$3,943 USD
View
B
Retailer 13
-
HK$35,751 HKD
£3,588 GBP
View
Retailer 14
-
HK$39,006 HKD
$4,972 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
8644958A · Oct 31
HK$45,897 HKD
$5,850 USD
View
14 more retailers have this diamond
Prices start from HK$12,475 HKDSave up to HK$33,423 HKD

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
HK$12,475 HKD