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Cushion|Lab Grown|IGI

3.51ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG747530629

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

Certificate IGI LG747530629

Diamond specifications and retailer prices

From HK$6,120 HKD
$780 USD
As of October 31, 2026
Save HK$26,063 HKD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$32,182 HKD at Frank Darling · As of October 31, 2026
View at Frank Darling

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 LG747530629 or 747530629. Listed at 13 retailers as of October 31, 2026, with prices from HK$6,120 to HK$32,182, a HK$26,063 spread on the same certified stone. Frank Darling lists it at HK$32,182. 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 angle34.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747530629
Dimensions8.66 × 8.47 × 5.37 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.66 mm8.47 mm3.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747530629
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 33.5°Culet: NoneDepth 63.4%

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 31
Current: HK$32,182 HKD|Low: HK$6,120 HKD|High: HK$41,111 HKD|Avg: HK$16,691 HKD|-5.4%
Frank Darling
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 31, 2026
Retailer 2HK$6,120 HKD
Retailer 14HK$7,331 HKD
Retailer 8HK$7,916 HKD
Retailer 9HK$8,133 HKD
Retailer 12HK$8,646 HKD
Retailer 10HK$9,070 HKD
Retailer 5HK$9,423 HKD
Retailer 7HK$13,440 HKD
Retailer 4HK$20,588 HKD
Retailer 11HK$21,174 HKD
Retailer 3HK$23,341 HKD
Retailer 13HK$24,671 HKD
Frank DarlingHK$32,182 HKD
Retailer 6HK$37,032 HKD

37 data points across 14 retailers

13 retailersHK$6,120 HKD to HK$32,182 HKD

A
Cheapest Retailer
-
HK$6,120 HKD
$780 USD
A
Retailer 2
-
HK$7,331 HKD
View
A
Retailer 3
-
HK$7,916 HKD
$1,009 USD
View
A
Retailer 4
-
HK$8,133 HKD
£816 GBP
View
A
Retailer 5
-
HK$8,646 HKD
$1,102 USD
View
A
Retailer 6
-
HK$9,070 HKD
€1,101 EUR
View
A
Retailer 7
-
HK$9,423 HKD
$1,201 USD
View
B+
Retailer 8
-
HK$13,440 HKD
$1,713 USD
View
Retailer 9
-
HK$20,588 HKD
A$4,037 AUD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
HK$21,174 HKD
SGD 3,647 SGD
View
Retailer 11
-
HK$23,341 HKD
$2,975 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
HK$24,671 HKD
£2,476 GBP
View
Most Expensive
B
Frank Darling
129039-BBNG · Oct 31
HK$32,182 HKD
$4,102 USD
View
12 more retailers have this diamond
Prices start from HK$6,120 HKDSave up to HK$26,063 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$6,120 HKD