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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG662455746

Shape and cutting style on the report: Square cushion cut

Certificate IGI LG662455746

Diamond specifications and retailer prices

From $557 NZD
$314 USD
As of October 29, 2026
Save $4,375 NZD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,933 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.87ct lab-grown cushion diamond

This 1.87ct 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 LG662455746 or 662455746. Listed at 19 retailers as of October 29, 2026, with prices from $557 to $4,933, a $4,375 spread on the same certified stone. Brilliant Earth lists it at $4,933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662455746
Dimensions7.18 × 7.05 × 4.75 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm7.05 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662455746
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
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: Oct 29
Current: $4,933 NZD|Low: $452 NZD|High: $5,181 NZD|Avg: $1,601 NZD|-4.5%
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
Retailer 18
Retailer 19
November 1, 2026
Retailer 4$557 NZD
Retailer 9$621 NZD
Retailer 15$646 NZD
Retailer 18$690 NZD
Retailer 19$690 NZD
Retailer 17$772 NZD
Retailer 14$967 NZD
Retailer 12$1,019 NZD
Retailer 10$1,123 NZD
Retailer 2$1,220 NZD
Retailer 7$1,382 NZD
Retailer 16$2,024 NZD
Retailer 3$2,218 NZD
Retailer 8$2,300 NZD
Retailer 6$2,653 NZD
Retailer 11$2,761 NZD
Retailer 13$2,781 NZD
Retailer 5$3,135 NZD
Brilliant Earth$4,933 NZD

37 data points across 19 retailers

19 retailers$557 NZD to $4,933 NZD

A
Cheapest Retailer
-
$557 NZD
$314 USD
A
Retailer 2
-
$621 NZD
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$646 NZD
$364 USD
View
A
Retailer 4
-
$690 NZD
$389 USD
View
A
Retailer 5
-
$690 NZD
$389 USD
View
Retailer 6
-
$772 NZD
£343 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$967 NZD
$545 USD
View
A
Retailer 8
-
$1,019 NZD
€547 EUR
View
A
Retailer 9
-
$1,123 NZD
$633 USD
View
A
Retailer 10
-
$1,220 NZD
£541 GBP
View
A
Retailer 11
-
$1,382 NZD
$779 USD
View
B+
Retailer 12
-
$2,024 NZD
$1,141 USD
View
B
Retailer 13
-
$2,218 NZD
$1,250 USD
View
B
Retailer 14
-
$2,300 NZD
$1,296 USD
View
B
Retailer 15
-
$2,653 NZD
$1,495 USD
View
B
Retailer 16
-
$2,761 NZD
$1,556 USD
View
B
Retailer 17
-
$2,781 NZD
£1,234 GBP
View
B
Retailer 18
-
$3,135 NZD
$1,767 USD
View
Most Expensive
B
Brilliant Earth
20358781A · Oct 31
$4,933 NZD
$2,780 USD
View
18 more retailers have this diamond
Prices start from $557 NZDSave up to $4,375 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
1.87ct Cushion
$557 NZD