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Asscher|Lab Grown|IGI

8.51ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG659456904

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG659456904

Diamond specifications and retailer prices

From HK$10,403 HKD
$1,326 USD
As of November 1, 2026
Save HK$47,419 HKD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$57,823 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 8.51ct lab-grown asscher diamond

This 8.51ct lab-grown asscher sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG659456904 or 659456904. Listed at 17 retailers as of October 31, 2026, with prices from HK$10,403 to HK$57,823, a HK$47,419 spread on the same certified stone. Brilliant Earth lists it at HK$57,823. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659456904
Dimensions11.23 × 11.09 × 7.14 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.23 mm11.09 mm8.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659456904
Side View
Table 65.0%Crown 43.6°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 64.4%

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: Nov 1
Current: HK$57,823 HKD|Low: HK$10,403 HKD|High: HK$57,901 HKD|Avg: HK$25,839 HKD|-0.1%
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 2, 2026
Retailer 3HK$10,403 HKD
Retailer 4HK$10,772 HKD
Retailer 15HK$12,122 HKD
Retailer 7HK$15,417 HKD
Retailer 2HK$15,504 HKD
Retailer 13HK$18,071 HKD
Retailer 12HK$19,005 HKD
Retailer 14HK$19,426 HKD
Retailer 11HK$19,965 HKD
Retailer 17HK$26,066 HKD
Retailer 5HK$30,920 HKD
Retailer 16HK$33,650 HKD
Retailer 10HK$34,625 HKD
Retailer 8HK$36,095 HKD
Retailer 6HK$37,746 HKD
Retailer 9HK$44,720 HKD
Brilliant EarthHK$57,823 HKD

45 data points across 17 retailers

17 retailersHK$10,403 HKD to HK$57,823 HKD

A
Cheapest Retailer
-
HK$10,403 HKD
$1,326 USD
Final sale: no returns
Retailer 2
-
HK$10,772 HKD
$1,373 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$12,122 HKD
$1,545 USD
View
B+
Retailer 4
-
HK$15,417 HKD
$1,965 USD
View
A
Retailer 5
-
HK$15,504 HKD
£1,556 GBP
View
A
Retailer 6
-
HK$18,071 HKD
ZAR 37,209 ZAR
View
A
Retailer 7
-
HK$19,005 HKD
€2,307 EUR
View
A
Retailer 8
-
HK$19,426 HKD
$2,476 USD
View
A
Retailer 9
-
HK$19,965 HKD
A$3,915 AUD
View
A
Retailer 10
-
HK$26,066 HKD
£2,616 GBP
View
A
Retailer 11
-
HK$30,920 HKD
$3,941 USD
View
B+
Retailer 12
-
HK$33,650 HKD
$4,289 USD
View
B+
Retailer 13
-
HK$34,625 HKD
£3,475 GBP
View
B+
Retailer 14
-
HK$36,095 HKD
SGD 6,217 SGD
View
B+
Retailer 15
-
HK$37,746 HKD
$4,811 USD
View
Retailer 16
-
HK$44,720 HKD
$5,700 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
14242398A · Oct 31
HK$57,823 HKD
$7,370 USD
View
16 more retailers have this diamond
Prices start from HK$10,403 HKDSave up to HK$47,419 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 Asscher
HK$10,403 HKD