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Cushion|Lab Grown|IGI

1.87ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513210

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG744513210

Diamond specifications and retailer prices

From $908 NZD
$512 USD
As of November 1, 2026
Save $5,887 NZD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,796 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 LG744513210 or 744513210. Listed at 13 retailers as of October 31, 2026, with prices from $908 to $6,796, a $5,887 spread on the same certified stone. Brilliant Earth lists it at $6,796. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513210
Dimensions7.23 × 7.19 × 4.75 mm
L/W Ratio1.01
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
7.23 mm7.19 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513210
Side View
Table 62.0%Crown 34.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 66.1%

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: Nov 1
Current: $6,796 NZD|Low: $908 NZD|High: $8,109 NZD|Avg: $3,342 NZD|-16.2%
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
November 1, 2026
Retailer 5$908 NZD
Retailer 9$1,178 NZD
Retailer 3$1,269 NZD
Retailer 11$1,398 NZD
Retailer 6$1,520 NZD
Retailer 4$2,143 NZD
Retailer 8$2,269 NZD
Retailer 12$2,607 NZD
Retailer 13$3,671 NZD
Retailer 7$5,683 NZD
Retailer 2$5,793 NZD
Retailer 10$6,317 NZD
Brilliant Earth$6,796 NZD

32 data points across 13 retailers

13 retailers$908 NZD to $6,796 NZD

A
Cheapest Retailer
-
$908 NZD
$512 USD
Final sale: no returns
A
Retailer 2
-
$1,178 NZD
$664 USD
View
A
Retailer 3
-
$1,269 NZD
$715 USD
View
A
Retailer 4
-
$1,398 NZD
$788 USD
View
A
Retailer 5
-
$1,520 NZD
€816 EUR
View
A
Retailer 6
-
$2,143 NZD
$1,208 USD
View
A
Retailer 7
-
$2,269 NZD
A$1,967 AUD
View
A
Retailer 8
-
$2,607 NZD
$1,469 USD
View
Retailer 9
-
$3,671 NZD
£1,629 GBP
View
Price last confirmed 12 days ago
B+
Retailer 10
-
$5,683 NZD
A$4,928 AUD
View
B+
Retailer 11
-
$5,793 NZD
$3,265 USD
View
B
Retailer 12
-
$6,317 NZD
$3,560 USD
View
Most Expensive
B
Brilliant Earth
16861148Y · Oct 31
$6,796 NZD
$3,830 USD
View
12 more retailers have this diamond
Prices start from $908 NZDSave up to $5,887 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
$908 NZD