Cushion|Lab Grown|IGI

1.57ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG677531981

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG677531981

Diamond specifications and retailer prices

From HK$2,173 HKD
$277 USD
As of October 28, 2026
Save HK$13,126 HKD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$15,299 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.57ct lab-grown cushion diamond

This 1.57ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG677531981 or 677531981. Listed at 17 retailers as of October 28, 2026, with prices from HK$2,173 to HK$15,299, a HK$13,126 spread on the same certified stone. Brilliant Earth lists it at HK$15,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677531981
Dimensions6.89 × 6.70 × 4.21 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
6.89 mm6.70 mm1.57 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677531981
Side View
Table 66.0%Crown 35.9°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 62.8%

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: Oct 28
Current: HK$15,299 HKD|Low: HK$2,173 HKD|High: HK$15,456 HKD|Avg: HK$6,698 HKD|-1.0%
Brilliant Earth
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
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Retailer 17
Retailer 18
October 28, 2026
Retailer 8HK$2,173 HKD
Retailer 4HK$2,416 HKD
Retailer 17HK$3,311 HKD
Retailer 13HK$3,913 HKD
Retailer 11HK$4,153 HKD
Retailer 10HK$4,276 HKD
Retailer 6HK$4,503 HKD
Retailer 2HK$4,568 HKD
Retailer 12HK$5,635 HKD
Retailer 16HK$6,222 HKD
Retailer 5HK$7,453 HKD
Retailer 7HK$8,175 HKD
Retailer 3HK$8,975 HKD
Retailer 14HK$9,695 HKD
Retailer 9HK$10,577 HKD
Retailer 18HK$10,939 HKD
Retailer 15HK$12,004 HKD
Brilliant EarthHK$15,299 HKD

40 data points across 18 retailers

17 retailersHK$2,173 HKD to HK$15,299 HKD

A
Cheapest Retailer
-
HK$2,173 HKD
$277 USD
Final sale: no returns
A
Retailer 2
-
HK$2,416 HKD
$308 USD
View
B+
Retailer 3
-
HK$3,311 HKD
$422 USD
View
A
Retailer 4
-
HK$3,913 HKD
€475 EUR
View
A
Retailer 5
-
HK$4,153 HKD
ZAR 8,551 ZAR
View
A
Retailer 6
-
HK$4,503 HKD
$574 USD
View
A
Retailer 7
-
HK$4,568 HKD
£458 GBP
View
A
Retailer 8
-
HK$5,635 HKD
A$1,105 AUD
View
B+
Retailer 9
-
HK$6,222 HKD
$793 USD
View
B+
Retailer 10
-
HK$7,602 HKD
$969 USD
View
B+
Retailer 11
-
HK$8,175 HKD
$1,042 USD
View
B+
Retailer 12
-
HK$8,975 HKD
$1,144 USD
View
B+
Retailer 13
-
HK$9,695 HKD
£973 GBP
View
B
Retailer 14
-
HK$10,577 HKD
$1,348 USD
View
Retailer 15
-
HK$10,939 HKD
A$2,145 AUD
View
Price last confirmed 23 days ago
Retailer 16
-
HK$12,004 HKD
$1,530 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
14064960A · Oct 29
HK$15,299 HKD
$1,950 USD
View
16 more retailers have this diamond
Prices start from HK$2,173 HKDSave up to HK$13,126 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
1.57ct Cushion
HK$2,173 HKD