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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 $520 NZD
$293 USD
As of November 1, 2026
Save $1,972 NZD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,492 NZD 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 $520 to $2,492, a $1,972 spread on the same certified stone. MOH London lists it at $2,492. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,492 NZD|Low: $476 NZD|High: $2,510 NZD|Avg: $1,037 NZD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$520 NZD
Retailer 2$710 NZD
Retailer 7$729 NZD
Retailer 5$809 NZD
Retailer 6$870 NZD
Retailer 4$1,087 NZD
MOH London$2,492 NZD

16 data points across 7 retailers

5 retailers$520 NZD to $2,492 NZD

A
Cheapest Retailer
-
$520 NZD
$293 USD
A
Retailer 2
-
$710 NZD
$400 USD
View
B+
Retailer 3
-
$870 NZD
£386 GBP
View
B+
Retailer 4
-
$1,087 NZD
$613 USD
View
Most Expensive
B
MOH London
LG589379448 · Oct 29
$2,492 NZD
£1,106 GBP
View
4 more retailers have this diamond
Prices start from $520 NZDSave up to $1,972 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
0.77ct Cushion
$520 NZD