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Cushion|Lab Grown|IGI

0.51ct D VS2 Cushion Lab Grown Diamond

VG • D/VS2 • IGI LG846609018

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG846609018

Diamond specifications and retailer prices

From HK$2,402 HKD
£241 GBP
As of October 30, 2026
Save HK$4,165 HKD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$6,566 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG846609018 or 846609018. Listed at 4 retailers as of October 29, 2026, with prices from HK$2,402 to HK$6,566, a HK$4,165 spread on the same certified stone. MOH London lists it at HK$6,566. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846609018
Dimensions4.71 × 4.67 × 3.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.71 mm4.67 mm0.51 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846609018
Side View
Table 61.0%Crown 31.8°Girdle: MED-THKPavilion 40.5°CuletDepth 66.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$6,566 HKD|Low: HK$2,318 HKD|High: HK$6,566 HKD|Avg: HK$3,624 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3HK$2,402 HKD
Retailer 4HK$2,597 HKD
Retailer 2HK$4,433 HKD
MOH LondonHK$6,566 HKD

8 data points across 4 retailers

4 retailersHK$2,402 HKD to HK$6,566 HKD

B+
Cheapest Retailer
-
HK$2,402 HKD
£241 GBP
B+
Retailer 2
-
HK$2,597 HKD
$331 USD
View
B
Retailer 3
-
HK$4,433 HKD
$565 USD
View
Most Expensive
C
MOH London
LG846609018 · Oct 29
HK$6,566 HKD
£659 GBP
View
3 more retailers have this diamond
Prices start from HK$2,402 HKDSave up to HK$4,165 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.

B+
0.51ct Cushion
HK$2,402 HKD