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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811638340

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811638340

Diamond specifications and retailer prices

From $704 NZD
£311 GBP
As of October 29, 2026
Save $4,017 NZD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,721 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 LG811638340 or 811638340. Listed at 8 retailers as of October 28, 2026, with prices from $704 to $4,721, a $4,017 spread on the same certified stone. Brilliant Earth lists it at $4,721. 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 angle34.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638340
Dimensions7.43 × 5.06 × 3.41 mm
L/W Ratio1.47
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
7.43 mm5.06 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638340
Side View
Table 65.0%Crown 34.7°Girdle: STK-VTKPavilion 39.3°Culet: NoneDepth 67.4%

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 29
Current: $4,721 NZD|Low: $571 NZD|High: $5,826 NZD|Avg: $2,101 NZD|-19.0%
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
October 29, 2026
Retailer 15$571 NZD
Retailer 3$636 NZD
Retailer 8$704 NZD
Retailer 11$1,017 NZD
Retailer 12$1,078 NZD
Retailer 4$1,165 NZD
Retailer 13$1,590 NZD
Retailer 7$1,768 NZD
Retailer 10$1,948 NZD
Retailer 14$2,374 NZD
Retailer 6$2,435 NZD
Retailer 2$2,740 NZD
Retailer 5$3,238 NZD
Retailer 9$4,418 NZD
Brilliant Earth$4,721 NZD

27 data points across 15 retailers

8 retailers$704 NZD to $4,721 NZD

A+
Cheapest Retailer
-
$704 NZD
£311 GBP
A
Retailer 2
-
$1,017 NZD
$571 USD
View
A
Retailer 3
-
$1,078 NZD
$605 USD
View
B+
Retailer 4
-
$1,948 NZD
$1,094 USD
View
B+
Retailer 5
-
$2,374 NZD
$1,333 USD
View
Price last confirmed 70 days ago
B+
Retailer 6
-
$2,740 NZD
£1,211 GBP
View
B
Retailer 7
-
$4,418 NZD
$2,480 USD
View
Most Expensive
B
Brilliant Earth
21596429Y · Oct 28
$4,721 NZD
$2,650 USD
View
7 more retailers have this diamond
Prices start from $704 NZDSave up to $4,017 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
$704 NZD