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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG813661595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813661595

Diamond specifications and retailer prices

From HK$2,424 HKD
As of November 5, 2026
Save HK$7,304 HKD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$16,440 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813661595 or 813661595. Listed at 17 retailers as of November 4, 2026, with a 301% 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

1.51
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813661595
Dimensions7.11 × 6.20 × 4.12 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.20 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813661595
Side View
Table 66.0%Crown 32.4°Girdle: STK-VTKPavilion 37.2°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
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: Nov 5
Current: HK$2,424 HKD|Low: HK$2,424 HKD|High: HK$11,376 HKD|Avg: HK$5,454 HKD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 1HK$2,424 HKD
Retailer 8HK$3,381 HKD
Retailer 9HK$3,585 HKD
Retailer 7HK$3,601 HKD
Retailer 5HK$3,828 HKD
Retailer 3HK$4,103 HKD
Retailer 11HK$4,880 HKD
Retailer 10HK$7,006 HKD
Retailer 4HK$7,924 HKD
Retailer 2HK$8,128 HKD
Retailer 6HK$8,347 HKD
Retailer 12HK$10,434 HKD

33 data points across 12 retailers

17 retailersHK$2,424 HKD to HK$9,728 HKD

A
Cheapest Retailer
-
HK$2,424 HKD
A
Retailer 2
-
HK$3,381 HKD
View
A
Retailer 3
-
HK$3,585 HKD
View
A
Retailer 4
-
HK$3,601 HKD
View
A
Retailer 5
-
HK$3,828 HKD
View
A
Retailer 6
-
HK$4,087 HKD
View
A
Retailer 7
-
HK$4,103 HKD
View
Retailer 8
-
HK$4,880 HKD
View
Price last confirmed 10 days ago
Retailer 9
-
HK$7,006 HKD
View
Price last confirmed 8 days ago
B
Retailer 10
-
HK$7,123 HKD
View
B+
Retailer 11
-
HK$7,594 HKD
View
B+
Retailer 12
-
HK$7,924 HKD
View
B
Retailer 13
-
HK$8,128 HKD
View
B+
Retailer 14
-
HK$8,347 HKD
View
B
Retailer 15
-
HK$9,728 HKD
View
Retailer 16
-
HK$10,434 HKD
View
Price last confirmed 19 days ago
Most Expensive
Queensmith
LG813661595 · Oct 27
HK$16,440 HKD
£1,650 GBP
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from HK$2,424 HKDSave up to HK$7,304 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
1.51ct Cushion
HK$2,424 HKD