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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816624821

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

Certificate IGI LG816624821

Diamond specifications and retailer prices

From $672 NZD
$377 USD
As of October 28, 2026
Save $4,103 NZD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,774 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG816624821 or 816624821. Listed at 12 retailers as of October 28, 2026, with prices from $672 to $4,774, a $4,103 spread on the same certified stone. Brilliant Earth lists it at $4,774. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624821
Dimensions6.07 × 5.98 × 3.84 mm
L/W Ratio1.02
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
6.07 mm5.98 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624821
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.2%

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 28
Current: $4,774 NZD|Low: $490 NZD|High: $4,917 NZD|Avg: $1,968 NZD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10$672 NZD
Retailer 8$1,096 NZD
Retailer 3$1,105 NZD
Retailer 11$1,203 NZD
Retailer 9$1,203 NZD
Retailer 5$1,281 NZD
Retailer 7$1,328 NZD
Retailer 4$2,441 NZD
Retailer 12$2,473 NZD
Retailer 6$2,908 NZD
Retailer 2$3,002 NZD
Brilliant Earth$4,774 NZD

35 data points across 12 retailers

12 retailers$672 NZD to $4,774 NZD

A
Cheapest Retailer
-
$672 NZD
$377 USD
Final sale: no returns
A
Retailer 2
-
$1,096 NZD
$615 USD
View
A
Retailer 3
-
$1,105 NZD
$620 USD
View
A
Retailer 4
-
$1,203 NZD
$675 USD
View
A
Retailer 5
-
$1,203 NZD
€643 EUR
View
A
Retailer 6
-
$1,281 NZD
ZAR 11,616 ZAR
View
A
Retailer 7
-
$1,328 NZD
£587 GBP
View
B+
Retailer 8
-
$2,441 NZD
$1,370 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$2,473 NZD
$1,388 USD
View
B
Retailer 10
-
$2,908 NZD
$1,632 USD
View
B+
Retailer 11
-
$3,002 NZD
£1,327 GBP
View
Most Expensive
B
Brilliant Earth
21018766A · Oct 28
$4,774 NZD
$2,680 USD
View
11 more retailers have this diamond
Prices start from $672 NZDSave up to $4,103 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
1.03ct Cushion
$672 NZD