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Radiant|Lab Grown|IGI

0.51ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG812647981

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG812647981

Diamond specifications and retailer prices

From HK$1,091 HKD
$139 USD
As of October 30, 2026
Save HK$5,844 HKD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$10,761 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812647981 or 812647981. Listed at 9 retailers as of October 30, 2026, with a 536% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812647981
Dimensions6.07 × 3.86 × 2.57 mm
L/W Ratio1.57
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.07 mm3.86 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812647981
Side View
Table 67.0%Crown 37.7°Girdle: MED-STKPavilion 35°Culet: NoneDepth 66.6%

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 30
Current: HK$10,761 HKD|Low: HK$1,043 HKD|High: HK$10,871 HKD|Avg: HK$3,707 HKD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5HK$1,091 HKD
Retailer 9HK$1,263 HKD
Retailer 6HK$1,349 HKD
Retailer 11HK$1,938 HKD
Retailer 2HK$2,312 HKD
Retailer 8HK$2,526 HKD
Retailer 4HK$3,099 HKD
Retailer 3HK$3,766 HKD
Retailer 7HK$4,347 HKD
Retailer 12HK$4,354 HKD
Retailer 10HK$6,935 HKD
MOH LondonHK$10,761 HKD

41 data points across 12 retailers

9 retailersHK$1,091 HKD to HK$6,935 HKD

A
Cheapest Retailer
-
HK$1,091 HKD
$139 USD
A
Retailer 2
-
HK$1,263 HKD
$161 USD
View
A
Retailer 3
-
HK$1,349 HKD
$172 USD
View
B+
Retailer 4
-
HK$2,312 HKD
£232 GBP
View
B+
Retailer 5
-
HK$2,526 HKD
$322 USD
View
B
Retailer 6
-
HK$4,347 HKD
$554 USD
View
B
Retailer 7
-
HK$4,354 HKD
$555 USD
View
B
Retailer 8
-
HK$6,935 HKD
£696 GBP
View
Most Expensive
MOH London
LG812647981 · Oct 26
HK$10,761 HKD
£1,080 GBP
View
Price under review
8 more retailers have this diamond
Prices start from HK$1,091 HKDSave up to HK$5,844 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
0.51ct Radiant
HK$1,091 HKD