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Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG665439079

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665439079

Diamond specifications and retailer prices

From $460 AUD
$323 USD
As of November 1, 2026
Save $2,758 AUD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,217 AUD 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 LG665439079 or 665439079. Listed at 17 retailers as of October 31, 2026, with prices from $460 to $3,217, a $2,758 spread on the same certified stone. Brilliant Earth lists it at $3,217. 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 angle36.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665439079
Dimensions6.86 × 6.79 × 4.66 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
6.86 mm6.79 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665439079
Side View
Table 61.0%Crown 36.4°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 68.6%

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: $3,217 AUD|Low: $389 AUD|High: $3,388 AUD|Avg: $1,274 AUD|-5.0%
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 7$460 AUD
Retailer 16$511 AUD
Retailer 15$571 AUD
Retailer 17$698 AUD
Retailer 12$761 AUD
Retailer 8$837 AUD
Retailer 10$880 AUD
Retailer 2$903 AUD
Retailer 5$944 AUD
Retailer 3$999 AUD
Retailer 13$1,187 AUD
Retailer 6$1,711 AUD
Retailer 14$1,922 AUD
Retailer 4$1,963 AUD
Retailer 11$2,047 AUD
Retailer 9$2,105 AUD
Brilliant Earth$3,217 AUD

40 data points across 17 retailers

17 retailers$460 AUD to $3,217 AUD

A
Cheapest Retailer
-
$460 AUD
$323 USD
Final sale: no returns
Retailer 2
-
$511 AUD
$359 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$571 AUD
£316 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$698 AUD
$490 USD
View
A
Retailer 5
-
$761 AUD
€509 EUR
View
A
Retailer 6
-
$837 AUD
$588 USD
View
A
Retailer 7
-
$880 AUD
ZAR 9,991 ZAR
View
A
Retailer 8
-
$903 AUD
£500 GBP
View
A
Retailer 9
-
$944 AUD
$663 USD
View
B+
Retailer 10
-
$999 AUD
$702 USD
View
B+
Retailer 11
-
$1,187 AUD
View
B
Retailer 12
-
$1,711 AUD
$1,202 USD
View
Retailer 13
-
$1,922 AUD
$1,350 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,963 AUD
$1,379 USD
View
B
Retailer 15
-
$2,047 AUD
£1,132 GBP
View
B
Retailer 16
-
$2,105 AUD
$1,478 USD
View
Most Expensive
B
Brilliant Earth
12312888A · Oct 31
$3,217 AUD
$2,260 USD
View
16 more retailers have this diamond
Prices start from $460 AUDSave up to $2,758 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
$460 AUD