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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830624141

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

Certificate IGI LG830624141

Diamond specifications and retailer prices

From $606 NZD
$340 USD
As of October 28, 2026
Save $4,151 NZD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,757 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 LG830624141 or 830624141. Listed at 17 retailers as of October 28, 2026, with prices from $606 to $4,757, a $4,151 spread on the same certified stone. Brilliant Earth lists it at $4,757. 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 angle33.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624141
Dimensions6.02 × 6.00 × 3.81 mm
L/W Ratio1.00
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
6.02 mm6.00 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624141
Side View
Table 57.0%Crown 33.7°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,757 NZD|Low: $606 NZD|High: $4,774 NZD|Avg: $1,769 NZD|-0.4%
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
October 29, 2026
Retailer 17$606 NZD
Retailer 15$670 NZD
Retailer 10$694 NZD
Retailer 13$1,015 NZD
Retailer 14$1,070 NZD
Retailer 16$1,074 NZD
Retailer 6$1,096 NZD
Retailer 4$1,097 NZD
Retailer 11$1,151 NZD
Retailer 12$1,183 NZD
Retailer 7$1,724 NZD
Retailer 8$1,813 NZD
Retailer 5$2,237 NZD
Retailer 3$2,437 NZD
Retailer 9$2,441 NZD
Retailer 2$2,699 NZD
Brilliant Earth$4,757 NZD

31 data points across 17 retailers

17 retailers$606 NZD to $4,757 NZD

A+
Cheapest Retailer
-
$606 NZD
$340 USD
Final sale: no returns
A
Retailer 2
-
$670 NZD
$376 USD
View
A
Retailer 3
-
$694 NZD
£307 GBP
View
A
Retailer 4
-
$1,015 NZD
$570 USD
View
A
Retailer 5
-
$1,070 NZD
€572 EUR
View
A
Retailer 6
-
$1,074 NZD
$603 USD
View
A
Retailer 7
-
$1,096 NZD
$615 USD
View
A
Retailer 8
-
$1,097 NZD
$616 USD
View
A
Retailer 9
-
$1,151 NZD
ZAR 10,437 ZAR
View
A
Retailer 10
-
$1,183 NZD
£523 GBP
View
B+
Retailer 11
-
$1,724 NZD
$968 USD
View
B+
Retailer 12
-
$1,813 NZD
SGD 1,375 SGD
View
B+
Retailer 13
-
$2,237 NZD
$1,256 USD
View
B+
Retailer 14
-
$2,437 NZD
$1,368 USD
View
B+
Retailer 15
-
$2,441 NZD
$1,370 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$2,699 NZD
£1,193 GBP
View
Most Expensive
B
Brilliant Earth
21434220A · Oct 28
$4,757 NZD
$2,670 USD
View
16 more retailers have this diamond
Prices start from $606 NZDSave up to $4,151 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
$606 NZD