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Cushion|Lab Grown|IGI

1.02ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818659238

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818659238

Diamond specifications and retailer prices

From $727 NZD
$410 USD
As of October 26, 2026
Save $3,318 NZD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,045 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659238 or 818659238. Listed at 14 retailers as of October 26, 2026, with prices from $727 to $4,045, a $3,318 spread on the same certified stone. Brilliant Earth lists it at $4,045. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659238
Dimensions7.14 × 5.01 × 3.58 mm
L/W Ratio1.43
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
7.14 mm5.01 mm1.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659238
Side View
Table 60.0%Crown 33.5°Girdle: THK-VTKPavilion 35.4°Culet: NoneDepth 71.5%

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 26
Current: $4,045 NZD|Low: $727 NZD|High: $4,720 NZD|Avg: $1,982 NZD|-14.3%
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 13$727 NZD
Retailer 10$809 NZD
Retailer 12$1,095 NZD
Retailer 9$1,100 NZD
Retailer 2$1,276 NZD
Retailer 3$1,292 NZD
Retailer 8$1,389 NZD
Retailer 7$1,459 NZD
Retailer 4$2,017 NZD
Retailer 5$2,140 NZD
Retailer 6$2,413 NZD
Retailer 14$2,669 NZD
Retailer 11$3,161 NZD
Brilliant Earth$4,045 NZD

41 data points across 14 retailers

14 retailers$727 NZD to $4,045 NZD

A
Cheapest Retailer
-
$727 NZD
$410 USD
Final sale: no returns
A
Retailer 2
-
$809 NZD
$456 USD
View
A
Retailer 3
-
$1,095 NZD
$617 USD
View
A
Retailer 4
-
$1,100 NZD
$620 USD
View
A
Retailer 5
-
$1,276 NZD
€685 EUR
View
A
Retailer 6
-
$1,292 NZD
$728 USD
View
A
Retailer 7
-
$1,389 NZD
ZAR 12,647 ZAR
View
A
Retailer 8
-
$1,459 NZD
£647 GBP
View
B+
Retailer 9
-
$2,017 NZD
$1,137 USD
View
B+
Retailer 10
-
$2,140 NZD
SGD 1,630 SGD
View
Retailer 11
-
$2,413 NZD
$1,360 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
$2,669 NZD
$1,504 USD
View
B+
Retailer 13
-
$3,161 NZD
£1,403 GBP
View
Most Expensive
B
Brilliant Earth
21421114A · Oct 30
$4,045 NZD
$2,280 USD
View
13 more retailers have this diamond
Prices start from $727 NZDSave up to $3,318 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
1.02ct Cushion
$727 NZD