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Cushion|Lab Grown|IGI

3.51ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG778674132

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778674132

Diamond specifications and retailer prices

From HK$4,715 HKD
$601 USD
As of October 29, 2026
Save HK$17,196 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$21,911 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778674132 or 778674132. Listed at 14 retailers as of October 29, 2026, with prices from HK$4,715 to HK$21,911, a HK$17,196 spread on the same certified stone. MOH London lists it at HK$21,911. 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

3.51
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778674132
Dimensions10.38 × 7.83 × 4.92 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.83 mm3.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778674132
Side View
Table 63.0%Crown 34.6°Girdle: MED-THKPavilion 32°Culet: NoneDepth 62.8%

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 29
Current: HK$21,911 HKD|Low: HK$4,715 HKD|High: HK$23,844 HKD|Avg: HK$11,976 HKD|-7.0%
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
Retailer 14
October 30, 2026
Retailer 13HK$4,715 HKD
Retailer 10HK$5,217 HKD
Retailer 9HK$6,041 HKD
Retailer 2HK$6,849 HKD
Retailer 8HK$6,998 HKD
Retailer 7HK$8,129 HKD
Retailer 3HK$8,144 HKD
Retailer 14HK$11,863 HKD
Retailer 5HK$15,185 HKD
Retailer 4HK$16,518 HKD
Retailer 12HK$16,813 HKD
Retailer 6HK$16,955 HKD
Retailer 11HK$17,792 HKD
MOH LondonHK$21,911 HKD

40 data points across 14 retailers

14 retailersHK$4,715 HKD to HK$21,911 HKD

A
Cheapest Retailer
-
HK$4,715 HKD
$601 USD
Final sale: no returns
Retailer 2
-
HK$5,217 HKD
$665 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$6,041 HKD
$770 USD
View
A
Retailer 4
-
HK$6,849 HKD
£687 GBP
View
B+
Retailer 5
-
HK$6,998 HKD
$892 USD
View
A
Retailer 6
-
HK$8,129 HKD
£816 GBP
View
A
Retailer 7
-
HK$8,144 HKD
$1,038 USD
View
A
Retailer 8
-
HK$11,863 HKD
$1,512 USD
View
B+
Retailer 9
-
HK$15,185 HKD
£1,524 GBP
View
B+
Retailer 10
-
HK$16,518 HKD
SGD 2,845 SGD
View
B+
Retailer 11
-
HK$16,813 HKD
$2,143 USD
View
B+
Retailer 12
-
HK$16,955 HKD
$2,161 USD
View
B+
Retailer 13
-
HK$17,792 HKD
$2,268 USD
View
Most Expensive
B+
MOH London
LG778674132 · Oct 29
HK$21,911 HKD
£2,199 GBP
View
13 more retailers have this diamond
Prices start from HK$4,715 HKDSave up to HK$17,196 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
3.51ct Cushion
HK$4,715 HKD