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Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG797675381

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG797675381

Diamond specifications and retailer prices

From HK$2,299 HKD
As of November 4, 2026
Save HK$14,099 HKD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$16,398 HKD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797675381 or 797675381. Listed at 19 retailers as of November 3, 2026, with prices from HK$2,299 to HK$16,398, a HK$14,099 spread on the same certified stone. Brilliant Earth lists it at HK$16,398. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797675381
Dimensions7.00 × 7.21 × 4.46 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.21 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797675381
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 63.7%

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: Nov 4
Current: HK$16,398 HKD|Low: HK$2,299 HKD|High: HK$16,398 HKD|Avg: HK$6,528 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 9HK$2,299 HKD
Retailer 4HK$2,550 HKD
Retailer 18HK$2,911 HKD
Retailer 12HK$3,884 HKD
Retailer 17HK$4,135 HKD
Retailer 8HK$4,252 HKD
Retailer 10HK$4,362 HKD
Retailer 16HK$4,394 HKD
Retailer 2HK$4,825 HKD
Retailer 5HK$5,210 HKD
Retailer 13HK$5,963 HKD
Retailer 15HK$6,567 HKD
Retailer 3HK$7,901 HKD
Retailer 19HK$8,348 HKD
Retailer 7HK$10,027 HKD
Retailer 14HK$10,207 HKD
Retailer 6HK$10,914 HKD
Retailer 11HK$12,263 HKD
Brilliant EarthHK$16,398 HKD

40 data points across 19 retailers

19 retailersHK$2,299 HKD to HK$16,398 HKD

A
Cheapest Retailer
-
HK$2,299 HKD
Final sale: no returns
Retailer 2
-
HK$2,550 HKD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$2,911 HKD
View
A
Retailer 4
-
HK$3,884 HKD
View
A
Retailer 5
-
HK$4,135 HKD
View
A
Retailer 6
-
HK$4,252 HKD
View
A
Retailer 7
-
HK$4,362 HKD
View
A
Retailer 8
-
HK$4,394 HKD
View
A
Retailer 9
-
HK$4,825 HKD
View
B+
Retailer 10
-
HK$5,210 HKD
View
B+
Retailer 11
-
HK$5,963 HKD
View
B+
Retailer 12
-
HK$6,567 HKD
View
B+
Retailer 13
-
HK$7,901 HKD
View
B
Retailer 14
-
HK$8,348 HKD
View
B
Retailer 15
-
HK$10,027 HKD
View
B
Retailer 16
-
HK$10,207 HKD
View
B
Retailer 17
-
HK$10,914 HKD
View
B
Retailer 18
-
HK$12,263 HKD
View
Most Expensive
B
Brilliant Earth
22478102A · Nov 3
HK$16,398 HKD
$2,090 USD
View
18 more retailers have this diamond
Prices start from HK$2,299 HKDSave up to HK$14,099 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
1.55ct Cushion
HK$2,299 HKD