Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG751503373

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

Certificate IGI LG751503373

Diamond specifications and retailer prices

From HK$1,616 HKD
$206 USD
As of October 30, 2026
Save HK$6,813 HKD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,430 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG751503373 or 751503373. Listed at 9 retailers as of October 29, 2026, with prices from HK$1,616 to HK$8,430, a HK$6,813 spread on the same certified stone. MOH London lists it at HK$8,430. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751503373
Dimensions4.50 × 4.58 × 3.15 mm
L/W Ratio1.02
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
4.50 mm4.58 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751503373
Side View
Table 60.0%Crown 36.3°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 70.0%

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$8,430 HKD|Low: HK$1,616 HKD|High: HK$350,885 HKD|Avg: HK$38,873 HKD|-10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7HK$1,616 HKD
Retailer 4HK$2,805 HKD
Retailer 2HK$3,089 HKD
Retailer 6HK$3,154 HKD
Retailer 3HK$3,274 HKD
Retailer 5HK$4,569 HKD
Retailer 8HK$6,236 HKD
Retailer 10HK$7,074 HKD
MOH LondonHK$8,430 HKD
Retailer 9HK$8,609 HKD

42 data points across 10 retailers

9 retailersHK$1,616 HKD to HK$8,430 HKD

A
Cheapest Retailer
-
HK$1,616 HKD
$206 USD
Final sale: no returns
B+
Retailer 2
-
HK$2,805 HKD
A$550 AUD
View
B+
Retailer 3
-
HK$3,089 HKD
€375 EUR
View
B+
Retailer 4
-
HK$3,154 HKD
$402 USD
View
B+
Retailer 5
-
HK$3,274 HKD
£329 GBP
View
B
Retailer 6
-
HK$4,569 HKD
A$896 AUD
View
B
Retailer 7
-
HK$6,236 HKD
$795 USD
View
B
Retailer 8
-
HK$7,074 HKD
£710 GBP
View
Most Expensive
B
MOH London
LG751503373 · Oct 29
HK$8,430 HKD
£846 GBP
View
8 more retailers have this diamond
Prices start from HK$1,616 HKDSave up to HK$6,813 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$1,616 HKD