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Cushion|Lab Grown|IGI

1.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663203

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663203

Diamond specifications and retailer prices

From $886 NZD
As of November 5, 2026
Save $3,579 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,465 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663203 or 846663203. Listed at 9 retailers as of November 4, 2026, with prices from $886 to $4,465, a $3,579 spread on the same certified stone. Brilliant Earth lists it at $4,465. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663203
Dimensions8.15 × 5.36 × 3.75 mm
L/W Ratio1.52
Girdle conditionFaceted
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
8.15 mm5.36 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663203
Side View
Table 58.0%Crown 31°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 70.0%

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: Nov 5
Current: $4,465 NZD|Low: $886 NZD|High: $4,554 NZD|Avg: $2,234 NZD|-2.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$886 NZD
Retailer 4$1,138 NZD
Retailer 6$1,375 NZD
Retailer 7$1,715 NZD
Retailer 8$1,752 NZD
Retailer 9$2,761 NZD
Retailer 3$3,376 NZD
Retailer 5$3,451 NZD
Brilliant Earth$4,465 NZD

12 data points across 9 retailers

9 retailers$886 NZD to $4,465 NZD

A
Cheapest Retailer
-
$886 NZD
A
Retailer 2
-
$1,138 NZD
View
A
Retailer 3
-
$1,375 NZD
View
A
Retailer 4
-
$1,715 NZD
View
A
Retailer 5
-
$1,752 NZD
View
B+
Retailer 6
-
$2,761 NZD
View
B+
Retailer 7
-
$3,376 NZD
View
B
Retailer 8
-
$3,451 NZD
View
Most Expensive
B
Brilliant Earth
22305438A · Nov 4
$4,465 NZD
$2,510 USD
View
8 more retailers have this diamond
Prices start from $886 NZDSave up to $3,579 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
1.31ct Cushion
$886 NZD