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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG626412407

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG626412407

Diamond specifications and retailer prices

From $586 NZD
$330 USD
As of October 30, 2026
Save $4,329 NZD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,915 NZD at Brilliant Earth · As of October 29, 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 LG626412407 or 626412407. Listed at 19 retailers as of October 29, 2026, with prices from $586 to $4,915, a $4,329 spread on the same certified stone. Brilliant Earth lists it at $4,915. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626412407
Dimensions7.16 × 7.16 × 4.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.16 mm7.16 mm1.87 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626412407
Side View
Table 61.0%Crown 35.7°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 67.3%

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: Oct 30
Current: $4,915 NZD|Low: $586 NZD|High: $5,323 NZD|Avg: $1,777 NZD|-7.7%
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
October 31, 2026
Retailer 6$586 NZD
Retailer 14$651 NZD
Retailer 2$1,062 NZD
Retailer 4$1,068 NZD
Retailer 11$1,073 NZD
Retailer 10$1,120 NZD
Retailer 7$1,155 NZD
Retailer 5$1,270 NZD
Retailer 9$1,515 NZD
Retailer 13$2,289 NZD
Retailer 3$2,334 NZD
Retailer 12$2,617 NZD
Retailer 8$2,625 NZD
Brilliant Earth$4,915 NZD

43 data points across 14 retailers

19 retailers$586 NZD to $4,915 NZD

A
Cheapest Retailer
-
$586 NZD
$330 USD
Final sale: no returns
A
Retailer 2
-
$651 NZD
$367 USD
View
A
Retailer 3
-
$1,062 NZD
€570 EUR
View
A
Retailer 4
-
$1,068 NZD
$602 USD
View
A
Retailer 5
-
$1,073 NZD
$605 USD
View
A
Retailer 6
-
$1,120 NZD
ZAR 10,195 ZAR
View
A
Retailer 7
-
$1,155 NZD
£513 GBP
View
A
Retailer 8
-
$1,270 NZD
$716 USD
View
B+
Retailer 9
-
$1,372 NZD
$773 USD
View
B+
Retailer 10
-
$1,515 NZD
A$1,314 AUD
View
B
Retailer 11
-
$2,180 NZD
$1,229 USD
View
B
Retailer 12
-
$2,227 NZD
$1,255 USD
View
B+
Retailer 13
-
$2,289 NZD
$1,290 USD
View
Retailer 14
-
$2,334 NZD
A$2,024 AUD
View
Price last confirmed 29 days ago
B
Retailer 15
-
$2,542 NZD
£1,128 GBP
View
Retailer 16
-
$2,617 NZD
$1,475 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$2,625 NZD
£1,165 GBP
View
B
Retailer 18
-
$2,846 NZD
$1,604 USD
View
Most Expensive
B
Brilliant Earth
9567830A · Oct 29
$4,915 NZD
$2,770 USD
View
18 more retailers have this diamond
Prices start from $586 NZDSave up to $4,329 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
$586 NZD