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Cushion|Lab Grown|IGI

0.77ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG589379448

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG589379448

Diamond specifications and retailer prices

From $375 SGD
$293 USD
As of November 1, 2026
Save $1,421 SGD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,796 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.77ct lab-grown cushion diamond

This 0.77ct lab-grown cushion sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG589379448 or 589379448. Listed at 5 retailers as of October 29, 2026, with prices from $375 to $1,796, a $1,421 spread on the same certified stone. MOH London lists it at $1,796. 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

0.77
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589379448
Dimensions6.76 × 4.70 × 3.10 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.76 mm4.70 mm0.77 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589379448
Side View
Table 62.0%Crown 36°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 66.0%

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 1
Current: $1,796 SGD|Low: $343 SGD|High: $1,809 SGD|Avg: $747 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$375 SGD
Retailer 2$511 SGD
Retailer 7$525 SGD
Retailer 5$583 SGD
Retailer 6$627 SGD
Retailer 4$783 SGD
MOH London$1,796 SGD

16 data points across 7 retailers

5 retailers$375 SGD to $1,796 SGD

A
Cheapest Retailer
-
$375 SGD
$293 USD
A
Retailer 2
-
$511 SGD
$400 USD
View
B+
Retailer 3
-
$627 SGD
£386 GBP
View
B+
Retailer 4
-
$783 SGD
$613 USD
View
Most Expensive
B
MOH London
LG589379448 · Oct 29
$1,796 SGD
£1,106 GBP
View
4 more retailers have this diamond
Prices start from $375 SGDSave up to $1,421 SGD

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
0.77ct Cushion
$375 SGD