Cushion|Lab Grown|IGI

1.87ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG786648222

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786648222

Diamond specifications and retailer prices

From $845 NZD
$476 USD
As of November 1, 2026
Save $6,004 NZD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,849 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786648222 or 786648222. Listed at 19 retailers as of October 31, 2026, with prices from $845 to $6,849, a $6,004 spread on the same certified stone. Brilliant Earth lists it at $6,849. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786648222
Dimensions8.87 × 6.30 × 4.29 mm
L/W Ratio1.41
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
8.87 mm6.30 mm1.87 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786648222
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $6,849 NZD|Low: $845 NZD|High: $9,670 NZD|Avg: $3,207 NZD|-29.2%
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$845 NZD
Retailer 17$1,419 NZD
Retailer 8$1,478 NZD
Retailer 10$1,492 NZD
Retailer 5$1,522 NZD
Retailer 2$1,546 NZD
Retailer 14$1,611 NZD
Retailer 12$2,183 NZD
Retailer 16$2,218 NZD
Retailer 6$2,711 NZD
Retailer 9$2,982 NZD
Retailer 4$3,071 NZD
Retailer 13$3,461 NZD
Retailer 3$3,510 NZD
Retailer 11$5,683 NZD
Retailer 15$6,006 NZD
Brilliant Earth$6,849 NZD

43 data points across 17 retailers

19 retailers$845 NZD to $6,849 NZD

A
Cheapest Retailer
-
$845 NZD
$476 USD
Final sale: no returns
A
Retailer 2
-
$1,419 NZD
$800 USD
View
A
Retailer 3
-
$1,478 NZD
$833 USD
View
A
Retailer 4
-
$1,492 NZD
€801 EUR
View
A
Retailer 5
-
$1,522 NZD
$858 USD
View
A
Retailer 6
-
$1,546 NZD
£686 GBP
View
A
Retailer 7
-
$1,611 NZD
ZAR 14,666 ZAR
View
A
Retailer 8
-
$2,183 NZD
A$1,893 AUD
View
A
Retailer 9
-
$2,218 NZD
$1,250 USD
View
A
Retailer 10
-
$2,711 NZD
$1,528 USD
View
A
Retailer 11
-
$2,982 NZD
SGD 2,271 SGD
View
B+
Retailer 12
-
$3,071 NZD
$1,731 USD
View
B+
Retailer 13
-
$3,272 NZD
$1,844 USD
View
B+
Retailer 14
-
$3,461 NZD
£1,536 GBP
View
B+
Retailer 15
-
$3,510 NZD
$1,978 USD
View
Retailer 16
-
$4,516 NZD
£2,004 GBP
View
Price last confirmed 24 days ago
B
Retailer 17
-
$5,683 NZD
A$4,928 AUD
View
B+
Retailer 18
-
$6,006 NZD
$3,385 USD
View
Most Expensive
B
Brilliant Earth
18398244A · Oct 31
$6,849 NZD
$3,860 USD
View
18 more retailers have this diamond
Prices start from $845 NZDSave up to $6,004 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
$845 NZD