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Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG815692570

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815692570

Diamond specifications and retailer prices

From HK$2,197 HKD
$280 USD
As of October 30, 2026
Save HK$11,612 HKD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$13,808 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.71ct lab-grown cushion diamond

This 1.71ct 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 LG815692570 or 815692570. Listed at 16 retailers as of October 30, 2026, with prices from HK$2,197 to HK$13,808, a HK$11,612 spread on the same certified stone. Brilliant Earth lists it at HK$13,808. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815692570
Dimensions8.02 × 6.42 × 4.38 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm6.42 mm1.71 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815692570
Side View
Table 67.0%Crown 33.9°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 68.2%

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 30
Current: HK$13,808 HKD|Low: HK$2,165 HKD|High: HK$15,221 HKD|Avg: HK$6,100 HKD|-9.3%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 6HK$2,197 HKD
Retailer 15HK$2,432 HKD
Retailer 14HK$2,722 HKD
Retailer 10HK$3,766 HKD
Retailer 7HK$4,072 HKD
Retailer 9HK$4,127 HKD
Retailer 12HK$4,179 HKD
Retailer 2HK$4,591 HKD
Retailer 4HK$5,100 HKD
Retailer 16HK$5,155 HKD
Retailer 13HK$5,671 HKD
Retailer 5HK$8,224 HKD
Retailer 3HK$9,572 HKD
Retailer 11HK$9,805 HKD
Retailer 8HK$10,617 HKD
Brilliant EarthHK$13,808 HKD

38 data points across 16 retailers

16 retailersHK$2,197 HKD to HK$13,808 HKD

A
Cheapest Retailer
-
HK$2,197 HKD
$280 USD
Final sale: no returns
A
Retailer 2
-
HK$2,432 HKD
$310 USD
View
Retailer 3
-
HK$2,722 HKD
£273 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
HK$3,766 HKD
$480 USD
View
A
Retailer 5
-
HK$4,072 HKD
$519 USD
View
A
Retailer 6
-
HK$4,127 HKD
€501 EUR
View
A
Retailer 7
-
HK$4,179 HKD
ZAR 8,605 ZAR
View
A
Retailer 8
-
HK$4,591 HKD
£461 GBP
View
A
Retailer 9
-
HK$5,100 HKD
$650 USD
View
A
Retailer 10
-
HK$5,155 HKD
$657 USD
View
A
Retailer 11
-
HK$5,671 HKD
A$1,112 AUD
View
B+
Retailer 12
-
HK$8,224 HKD
$1,048 USD
View
B
Retailer 13
-
HK$9,572 HKD
$1,220 USD
View
B
Retailer 14
-
HK$9,805 HKD
£984 GBP
View
B
Retailer 15
-
HK$10,617 HKD
$1,353 USD
View
Most Expensive
B
Brilliant Earth
20566399A · Oct 31
HK$13,808 HKD
$1,760 USD
View
15 more retailers have this diamond
Prices start from HK$2,197 HKDSave up to HK$11,612 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
1.71ct Cushion
HK$2,197 HKD