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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG836626577

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836626577

Diamond specifications and retailer prices

From $613 NZD
HK$2,700 HKD
As of October 30, 2026
Save $2,492 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,105 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 LG836626577 or 836626577. Listed at 18 retailers as of October 30, 2026, with prices from $613 to $3,105, a $2,492 spread on the same certified stone. Brilliant Earth lists it at $3,105. 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
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836626577
Dimensions8.38 × 6.41 × 4.00 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm6.41 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG836626577
Side View
Table 65.0%Crown 33.2°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,105 NZD|Low: $497 NZD|High: $3,247 NZD|Avg: $1,500 NZD|-4.4%
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 9$497 NZD
Retailer 19$613 NZD
Retailer 15$617 NZD
Retailer 4$834 NZD
Retailer 2$872 NZD
Retailer 5$926 NZD
Retailer 18$934 NZD
Retailer 11$1,045 NZD
Retailer 16$1,045 NZD
Retailer 10$1,343 NZD
Retailer 12$1,377 NZD
Retailer 14$1,765 NZD
Retailer 8$1,867 NZD
Retailer 6$2,174 NZD
Retailer 17$2,217 NZD
Retailer 13$2,243 NZD
Retailer 7$2,407 NZD
Retailer 3$2,555 NZD
Brilliant Earth$3,105 NZD

25 data points across 19 retailers

18 retailers$613 NZD to $3,105 NZD

A
Cheapest Retailer
-
$613 NZD
HK$2,700 HKD
A
Retailer 2
-
$617 NZD
£274 GBP
View
A
Retailer 3
-
$834 NZD
$470 USD
View
A
Retailer 4
-
$872 NZD
€468 EUR
View
B+
Retailer 5
-
$926 NZD
$522 USD
View
Retailer 6
-
$934 NZD
ZAR 8,504 ZAR
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,045 NZD
$589 USD
View
A
Retailer 8
-
$1,045 NZD
£464 GBP
View
A
Retailer 9
-
$1,343 NZD
$757 USD
View
B+
Retailer 10
-
$1,377 NZD
$776 USD
View
B+
Retailer 11
-
$1,765 NZD
SGD 1,344 SGD
View
B+
Retailer 12
-
$1,867 NZD
$1,052 USD
View
B+
Retailer 13
-
$2,174 NZD
$1,225 USD
View
B+
Retailer 14
-
$2,217 NZD
£984 GBP
View
B
Retailer 15
-
$2,243 NZD
$1,264 USD
View
B
Retailer 16
-
$2,407 NZD
$1,356 USD
View
Retailer 17
-
$2,555 NZD
$1,440 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21807572A · Oct 31
$3,105 NZD
$1,750 USD
View
17 more retailers have this diamond
Prices start from $613 NZDSave up to $2,492 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
$613 NZD