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Cushion|Lab Grown|IGI

1.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG818688945

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818688945

Diamond specifications and retailer prices

From $208 AUD
$146 USD
As of October 30, 2026
Save $1,752 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,960 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818688945 or 818688945. Listed at 13 retailers as of October 25, 2026, with prices from $208 to $1,960, a $1,752 spread on the same certified stone. MOH London lists it at $1,960. 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle29.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818688945
Dimensions7.11 × 5.05 × 3.20 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm5.05 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818688945
Side View
Table 61.0%Crown 32.8°Girdle: STK-VTKPavilion 29.8°Culet: NoneDepth 63.4%

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: Oct 30
Current: $1,960 AUD|Low: $149 AUD|High: $1,979 AUD|Avg: $579 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 9$208 AUD
Retailer 3$235 AUD
Retailer 12$313 AUD
Retailer 2$390 AUD
Retailer 5$413 AUD
Retailer 6$418 AUD
Retailer 8$440 AUD
Retailer 13$581 AUD
Retailer 11$641 AUD
Retailer 10$824 AUD
Retailer 4$826 AUD
Retailer 7$1,387 AUD
MOH London$1,960 AUD

42 data points across 13 retailers

13 retailers$208 AUD to $1,960 AUD

A
Cheapest Retailer
-
$208 AUD
$146 USD
Final sale: no returns
A
Retailer 2
-
$235 AUD
$165 USD
View
B+
Retailer 3
-
$313 AUD
$220 USD
View
A
Retailer 4
-
$390 AUD
£216 GBP
View
A
Retailer 5
-
$413 AUD
$290 USD
View
A
Retailer 6
-
$418 AUD
€280 EUR
View
A
Retailer 7
-
$440 AUD
£243 GBP
View
Retailer 8
-
$581 AUD
$408 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$641 AUD
SGD 609 SGD
View
B
Retailer 10
-
$824 AUD
$579 USD
View
B
Retailer 11
-
$826 AUD
$580 USD
View
B
Retailer 12
-
$1,387 AUD
$974 USD
View
Most Expensive
B
MOH London
LG818688945 · Oct 25
$1,960 AUD
£1,084 GBP
View
12 more retailers have this diamond
Prices start from $208 AUDSave up to $1,752 AUD

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
1.02ct Cushion
$208 AUD