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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 $323 USD
As of November 1, 2026
Save $1,937 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,260 USD 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 17 retailers as of October 30, 2026, with prices from $323 to $2,260, a $1,937 spread on the same certified stone. Brilliant Earth lists it at $2,260. 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
Color
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: $2,260 USD|Low: $273 USD|High: $2,560 USD|Avg: $894 USD|-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 1, 2026
Retailer 7$323 USD
Retailer 15$359 USD
Retailer 16$401 USD
Retailer 17$490 USD
Retailer 10$534 USD
Retailer 8$588 USD
Retailer 12$616 USD
Retailer 2$629 USD
Retailer 5$663 USD
Retailer 3$702 USD
Retailer 11$834 USD
Retailer 6$1,202 USD
Retailer 14$1,350 USD
Retailer 4$1,379 USD
Retailer 13$1,439 USD
Retailer 9$1,478 USD
Brilliant Earth$2,260 USD

39 data points across 17 retailers

17 retailers$323 USD to $2,260 USD

A
Cheapest Retailer
-
$323 USD
Final sale: no returns
Retailer 2
-
$359 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$401 USD
£316 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$490 USD
View
A
Retailer 5
-
$534 USD
€509 EUR
View
A
Retailer 6
-
$588 USD
View
A
Retailer 7
-
$616 USD
ZAR 9,956 ZAR
View
A
Retailer 8
-
$629 USD
£495 GBP
View
A
Retailer 9
-
$663 USD
View
B+
Retailer 10
-
$702 USD
View
B+
Retailer 11
-
$834 USD
A$1,283 AUD
View
B
Retailer 12
-
$1,202 USD
View
Retailer 13
-
$1,350 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,379 USD
View
B
Retailer 15
-
$1,439 USD
£1,133 GBP
View
B
Retailer 16
-
$1,478 USD
View
Most Expensive
B
Brilliant Earth
12241631A · Oct 30
$2,260 USD
View
16 more retailers have this diamond
Prices start from $323 USDSave up to $1,937 USD

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
$323 USD