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Cushion|Lab Grown|IGI

1.01ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG786679939

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786679939

Diamond specifications and retailer prices

From $292 USD
As of November 6, 2026
Save $513 USD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $805 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786679939 or 786679939. Listed at 9 retailers as of November 4, 2026, with prices from $292 to $805, a $513 spread on the same certified stone. MOH London lists it at $805. 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

1.01
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786679939
Dimensions6.78 × 5.11 × 3.44 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm5.11 mm1.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786679939
Side View
Table 65.0%Crown 38.4°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 67.3%

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: $805 USD|Low: $173 USD|High: $822 USD|Avg: $395 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$175 USD
Retailer 2$292 USD
Retailer 6$307 USD
Retailer 4$322 USD
Retailer 5$328 USD
Retailer 3$418 USD
Retailer 8$450 USD
MOH London$805 USD

43 data points across 8 retailers

9 retailers$292 USD to $805 USD

Retailer 1
-
$175 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$292 USD
View
A
Retailer 3
-
$298 USD
View
Retailer 4
-
$307 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$322 USD
View
A
Retailer 6
-
$328 USD
View
B+
Retailer 7
-
$418 USD
View
B+
Retailer 8
-
$450 USD
View
Most Expensive
B
MOH London
LG786679939 · Nov 4
$805 USD
£634 GBP
View
8 more retailers have this diamond
Prices start from $292 USDSave up to $513 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
1.01ct Cushion
$292 USD