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Cushion|Lab Grown|IGI

0.51ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG785606051

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

Certificate IGI LG785606051

Diamond specifications and retailer prices

From HK$1,043 HKD
$133 USD
As of October 30, 2026
Save HK$5,055 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$9,715 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 top-tier cut grade and certified by IGI LG785606051 or 785606051. Listed at 13 retailers as of October 29, 2026, with a 484% 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG785606051
Dimensions4.53 × 4.53 × 3.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
4.53 mm4.53 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG785606051
Side View
Table 72.0%Crown 42.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$9,715 HKD|Low: HK$839 HKD|High: HK$9,775 HKD|Avg: HK$3,256 HKD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 11HK$1,043 HKD
Retailer 8HK$1,922 HKD
Retailer 6HK$2,109 HKD
Retailer 13HK$2,244 HKD
Retailer 2HK$2,376 HKD
Retailer 7HK$2,794 HKD
Retailer 10HK$2,887 HKD
Retailer 12HK$2,950 HKD
Retailer 5HK$3,138 HKD
Retailer 3HK$3,483 HKD
Retailer 4HK$4,168 HKD
Retailer 9HK$6,098 HKD
MOH LondonHK$9,715 HKD

34 data points across 13 retailers

13 retailersHK$1,043 HKD to HK$6,098 HKD

A
Cheapest Retailer
-
HK$1,043 HKD
$133 USD
Final sale: no returns
Retailer 2
-
HK$1,922 HKD
$245 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
HK$2,109 HKD
€256 EUR
View
B+
Retailer 4
-
HK$2,244 HKD
$286 USD
View
B+
Retailer 5
-
HK$2,376 HKD
£238 GBP
View
B+
Retailer 6
-
HK$2,794 HKD
£280 GBP
View
B
Retailer 7
-
HK$2,887 HKD
$368 USD
View
B+
Retailer 8
-
HK$2,950 HKD
$376 USD
View
B+
Retailer 9
-
HK$3,138 HKD
$400 USD
View
B
Retailer 10
-
HK$3,483 HKD
$444 USD
View
Retailer 11
-
HK$4,168 HKD
$531 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
HK$6,098 HKD
£612 GBP
View
Most Expensive
MOH London
LG785606051 · Oct 29
HK$9,715 HKD
£975 GBP
View
Price under review
12 more retailers have this diamond
Prices start from HK$1,043 HKDSave up to HK$5,055 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 Cushion
HK$1,043 HKD