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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG687559370

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG687559370

Diamond specifications and retailer prices

From HK$2,228 HKD
As of November 4, 2026
Save HK$9,787 HKD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$12,015 HKD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687559370 or 687559370. Listed at 13 retailers as of November 4, 2026, with prices from HK$2,228 to HK$12,015, a HK$9,787 spread on the same certified stone. Taylor and Hart lists it at HK$12,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687559370
Dimensions6.73 × 6.65 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.73 mm6.65 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687559370
Side View
Table 57.0%Crown 34.1°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 68.1%

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: Nov 4
Current: HK$4,660 HKD|Low: HK$1,593 HKD|High: HK$15,064 HKD|Avg: HK$6,654 HKD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 2HK$2,228 HKD
Retailer 5HK$3,868 HKD
Retailer 11HK$3,884 HKD
Retailer 13HK$4,127 HKD
Retailer 8HK$4,260 HKD
Retailer 9HK$4,425 HKD
Retailer 1HK$4,660 HKD
Retailer 7HK$5,775 HKD
Retailer 4HK$8,968 HKD
Retailer 3HK$9,486 HKD
Retailer 12HK$9,713 HKD
Retailer 6HK$9,862 HKD
Retailer 10HK$12,004 HKD

44 data points across 13 retailers

13 retailersHK$2,228 HKD to HK$12,015 HKD

A
Cheapest Retailer
-
HK$2,228 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,868 HKD
View
A
Retailer 3
-
HK$3,884 HKD
View
A
Retailer 4
-
HK$4,127 HKD
View
A
Retailer 5
-
HK$4,260 HKD
View
A
Retailer 6
-
HK$4,425 HKD
View
A
Retailer 7
-
HK$4,660 HKD
View
B+
Retailer 8
-
HK$5,775 HKD
View
B
Retailer 9
-
HK$9,486 HKD
View
B
Retailer 10
-
HK$9,713 HKD
View
B
Retailer 11
-
HK$9,862 HKD
View
B
Retailer 12
-
HK$12,004 HKD
View
Most Expensive
B
Taylor and Hart
I6J3AV6 · Nov 4
HK$12,015 HKD
$1,531 USD
View
12 more retailers have this diamond
Prices start from HK$2,228 HKDSave up to HK$9,787 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$2,228 HKD