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Cushion|Lab Grown|IGI

1.03ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG769648795

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG769648795

Diamond specifications and retailer prices

From $309 USD
£243 GBP
As of November 1, 2026
Save $529 USD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $838 USD at MOH London · As of November 1, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG769648795 or 769648795. Listed at 6 retailers as of November 1, 2026, with prices from $309 to $838, a $529 spread on the same certified stone. MOH London lists it at $838. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769648795
Dimensions5.85 × 5.81 × 3.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
5.85 mm5.81 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769648795
Side View
Table 65.0%Crown 36.6°Girdle: THN-THKPavilion 36.5°Culet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $838 USD|Low: $295 USD|High: $848 USD|Avg: $425 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2$309 USD
Retailer 5$330 USD
Retailer 4$333 USD
Retailer 3$341 USD
MOH London$838 USD

42 data points across 5 retailers

6 retailers$309 USD to $838 USD

A
Cheapest Retailer
-
$309 USD
£243 GBP
A
Retailer 2
-
$330 USD
View
A
Retailer 3
-
$333 USD
View
A
Retailer 4
-
$341 USD
£268 GBP
View
B+
Retailer 5
-
$632 USD
View
Most Expensive
B
MOH London
LG769648795 · Nov 1
$838 USD
£660 GBP
View
5 more retailers have this diamond
Prices start from $309 USDSave up to $529 USD

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
$309 USD