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Cushion|Lab Grown|IGI

1.00ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG769648796

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG769648796

Diamond specifications and retailer prices

From $297 USD
As of November 6, 2026
Save $522 USD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $819 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct 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 LG769648796 or 769648796. Listed at 7 retailers as of November 2, 2026, with prices from $297 to $819, a $522 spread on the same certified stone. MOH London lists it at $819. 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

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769648796
Dimensions5.83 × 5.75 × 3.57 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
5.83 mm5.75 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG769648796
Side View
Table 65.0%Crown 35.1°Girdle: MED-VTKPavilion 33.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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: Nov 6
Current: $819 USD|Low: $289 USD|High: $829 USD|Avg: $435 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$297 USD
Retailer 6$313 USD
Retailer 5$326 USD
Retailer 3$332 USD
Retailer 4$515 USD
MOH London$819 USD

43 data points across 6 retailers

7 retailers$297 USD to $819 USD

A
Cheapest Retailer
-
$297 USD
A
Retailer 2
-
$313 USD
View
A
Retailer 3
-
$326 USD
View
A
Retailer 4
-
$332 USD
View
B+
Retailer 5
-
$515 USD
View
B
Retailer 6
-
$618 USD
View
Most Expensive
B
MOH London
LG769648796 · Nov 2
$819 USD
£645 GBP
View
6 more retailers have this diamond
Prices start from $297 USDSave up to $522 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
1.00ct Cushion
$297 USD