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 $146 USD
As of October 28, 2026
Save $1,231 USD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,377 USD 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 $146 to $1,377, a $1,231 spread on the same certified stone. MOH London lists it at $1,377. 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
Color
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 28
Current: $1,377 USD|Low: $105 USD|High: $1,391 USD|Avg: $422 USD|+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 29, 2026
Retailer 9$146 USD
Retailer 3$165 USD
Retailer 12$220 USD
Retailer 2$273 USD
Retailer 5$290 USD
Retailer 6$294 USD
Retailer 8$309 USD
Retailer 13$408 USD
Retailer 11$451 USD
Retailer 10$579 USD
Retailer 4$580 USD
Retailer 7$974 USD
MOH London$1,377 USD

41 data points across 13 retailers

13 retailers$146 USD to $1,377 USD

A
Cheapest Retailer
-
$146 USD
Final sale: no returns
A
Retailer 2
-
$165 USD
View
B+
Retailer 3
-
$220 USD
View
A
Retailer 4
-
$273 USD
£215 GBP
View
A
Retailer 5
-
$290 USD
View
A
Retailer 6
-
$294 USD
€280 EUR
View
A
Retailer 7
-
$309 USD
£243 GBP
View
B+
Retailer 8
-
$408 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$451 USD
SGD 609 SGD
View
B
Retailer 10
-
$579 USD
View
B
Retailer 11
-
$580 USD
View
B
Retailer 12
-
$974 USD
View
Most Expensive
B
MOH London
LG818688945 · Oct 25
$1,377 USD
£1,084 GBP
View
12 more retailers have this diamond
Prices start from $146 USDSave up to $1,231 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
1.02ct Cushion
$146 USD