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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 $461 AUD
$323 USD
As of November 1, 2026
Save $2,764 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,225 AUD 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 $461 to $3,225, a $2,764 spread on the same certified stone. Brilliant Earth lists it at $3,225. 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: $3,225 AUD|Low: $390 AUD|High: $3,653 AUD|Avg: $1,288 AUD|-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 7$461 AUD
Retailer 15$512 AUD
Retailer 16$573 AUD
Retailer 17$699 AUD
Retailer 11$763 AUD
Retailer 8$839 AUD
Retailer 10$882 AUD
Retailer 2$905 AUD
Retailer 5$946 AUD
Retailer 3$1,002 AUD
Retailer 12$1,190 AUD
Retailer 6$1,715 AUD
Retailer 14$1,926 AUD
Retailer 4$1,968 AUD
Retailer 13$2,053 AUD
Retailer 9$2,110 AUD
Brilliant Earth$3,225 AUD

39 data points across 17 retailers

16 retailers$461 AUD to $3,225 AUD

A
Cheapest Retailer
-
$461 AUD
$323 USD
Final sale: no returns
Retailer 2
-
$512 AUD
$359 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$699 AUD
$490 USD
View
A
Retailer 4
-
$763 AUD
€509 EUR
View
A
Retailer 5
-
$839 AUD
$588 USD
View
A
Retailer 6
-
$882 AUD
ZAR 9,991 ZAR
View
A
Retailer 7
-
$905 AUD
£500 GBP
View
A
Retailer 8
-
$946 AUD
$663 USD
View
B+
Retailer 9
-
$1,002 AUD
$702 USD
View
B+
Retailer 10
-
$1,190 AUD
View
B
Retailer 11
-
$1,715 AUD
$1,202 USD
View
Retailer 12
-
$1,926 AUD
$1,350 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$1,968 AUD
$1,379 USD
View
B
Retailer 14
-
$2,053 AUD
£1,133 GBP
View
B
Retailer 15
-
$2,110 AUD
$1,478 USD
View
Most Expensive
B
Brilliant Earth
12241631A · Oct 30
$3,225 AUD
$2,260 USD
View
15 more retailers have this diamond
Prices start from $461 AUDSave up to $2,764 AUD

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
$461 AUD