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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 $573 NZD
$323 USD
As of November 1, 2026
Save $3,437 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,010 NZD 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 $573 to $4,010, a $3,437 spread on the same certified stone. Brilliant Earth lists it at $4,010. 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: $4,010 NZD|Low: $484 NZD|High: $4,223 NZD|Avg: $1,587 NZD|-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$573 NZD
Retailer 16$637 NZD
Retailer 15$712 NZD
Retailer 17$869 NZD
Retailer 12$948 NZD
Retailer 8$1,043 NZD
Retailer 10$1,097 NZD
Retailer 2$1,126 NZD
Retailer 5$1,176 NZD
Retailer 3$1,246 NZD
Retailer 13$1,480 NZD
Retailer 6$2,132 NZD
Retailer 14$2,395 NZD
Retailer 4$2,447 NZD
Retailer 11$2,551 NZD
Retailer 9$2,623 NZD
Brilliant Earth$4,010 NZD

40 data points across 17 retailers

17 retailers$573 NZD to $4,010 NZD

A
Cheapest Retailer
-
$573 NZD
$323 USD
Final sale: no returns
Retailer 2
-
$637 NZD
$359 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$712 NZD
£316 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$869 NZD
$490 USD
View
A
Retailer 5
-
$948 NZD
€509 EUR
View
A
Retailer 6
-
$1,043 NZD
$588 USD
View
A
Retailer 7
-
$1,097 NZD
ZAR 9,991 ZAR
View
A
Retailer 8
-
$1,126 NZD
£500 GBP
View
A
Retailer 9
-
$1,176 NZD
$663 USD
View
B+
Retailer 10
-
$1,246 NZD
$702 USD
View
B+
Retailer 11
-
$1,480 NZD
A$1,283 AUD
View
B
Retailer 12
-
$2,132 NZD
$1,202 USD
View
Retailer 13
-
$2,395 NZD
$1,350 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$2,447 NZD
$1,379 USD
View
B
Retailer 15
-
$2,551 NZD
£1,132 GBP
View
B
Retailer 16
-
$2,623 NZD
$1,478 USD
View
Most Expensive
B
Brilliant Earth
12312888A · Oct 31
$4,010 NZD
$2,260 USD
View
16 more retailers have this diamond
Prices start from $573 NZDSave up to $3,437 NZD

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
$573 NZD