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Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG662481609

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662481609

Diamond specifications and retailer prices

From HK$2,534 HKD
$323 USD
As of November 1, 2026
Save HK$15,197 HKD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$17,731 HKD at Brilliant Earth · As of October 30, 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 LG662481609 or 662481609. Listed at 16 retailers as of October 30, 2026, with prices from HK$2,534 to HK$17,731, a HK$15,197 spread on the same certified stone. Brilliant Earth lists it at HK$17,731. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662481609
Dimensions6.90 × 6.86 × 4.70 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
6.90 mm6.86 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662481609
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 68.5%

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 1
Current: HK$17,731 HKD|Low: HK$2,142 HKD|High: HK$20,085 HKD|Avg: HK$7,079 HKD|-7.4%
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
Retailer 17
November 2, 2026
Retailer 7HK$2,534 HKD
Retailer 15HK$2,817 HKD
Retailer 16HK$3,148 HKD
Retailer 17HK$3,844 HKD
Retailer 11HK$4,193 HKD
Retailer 8HK$4,613 HKD
Retailer 10HK$4,852 HKD
Retailer 2HK$4,977 HKD
Retailer 5HK$5,202 HKD
Retailer 3HK$5,508 HKD
Retailer 12HK$6,543 HKD
Retailer 6HK$9,429 HKD
Retailer 14HK$10,592 HKD
Retailer 4HK$10,819 HKD
Retailer 13HK$11,289 HKD
Retailer 9HK$11,599 HKD
Brilliant EarthHK$17,731 HKD

39 data points across 17 retailers

16 retailersHK$2,534 HKD to HK$17,731 HKD

A
Cheapest Retailer
-
HK$2,534 HKD
$323 USD
Final sale: no returns
Retailer 2
-
HK$2,817 HKD
$359 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$3,844 HKD
$490 USD
View
A
Retailer 4
-
HK$4,193 HKD
€509 EUR
View
A
Retailer 5
-
HK$4,613 HKD
$588 USD
View
A
Retailer 6
-
HK$4,852 HKD
ZAR 9,991 ZAR
View
A
Retailer 7
-
HK$4,977 HKD
£500 GBP
View
A
Retailer 8
-
HK$5,202 HKD
$663 USD
View
B+
Retailer 9
-
HK$5,508 HKD
$702 USD
View
B+
Retailer 10
-
HK$6,543 HKD
A$1,283 AUD
View
B
Retailer 11
-
HK$9,429 HKD
$1,202 USD
View
Retailer 12
-
HK$10,592 HKD
$1,350 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
HK$10,819 HKD
$1,379 USD
View
B
Retailer 14
-
HK$11,289 HKD
£1,133 GBP
View
B
Retailer 15
-
HK$11,599 HKD
$1,478 USD
View
Most Expensive
B
Brilliant Earth
12241631A · Oct 30
HK$17,731 HKD
$2,260 USD
View
15 more retailers have this diamond
Prices start from HK$2,534 HKDSave up to HK$15,197 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$2,534 HKD