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Cushion|Lab Grown|IGI

1.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG630430335

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG630430335

Diamond specifications and retailer prices

From $163 USD
As of October 25, 2026
Save $1,196 USD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,359 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 LG630430335 or 630430335. Listed at 10 retailers as of October 25, 2026, with prices from $163 to $1,359, a $1,196 spread on the same certified stone. MOH London lists it at $1,359. 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 angle28.7°
Pavilion angle43.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630430335
Dimensions6.98 × 5.38 × 3.59 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Top View
6.98 mm5.38 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630430335
Side View
Table 66.0%Crown 28.7°Girdle: MED-THKPavilion 43.2°Culet: NoneDepth 66.7%

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 25
Current: $1,359 USD|Low: $163 USD|High: $1,374 USD|Avg: $445 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$163 USD
Retailer 5$212 USD
Retailer 2$273 USD
Retailer 10$290 USD
Retailer 3$308 USD
Retailer 7$308 USD
Retailer 4$309 USD
Retailer 9$484 USD
Retailer 8$580 USD
MOH London$1,359 USD

35 data points across 10 retailers

10 retailers$163 USD to $1,359 USD

A
Cheapest Retailer
-
$163 USD
Retailer 2
-
$212 USD
£167 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
$273 USD
£215 GBP
View
A
Retailer 4
-
$290 USD
View
A
Retailer 5
-
$308 USD
€293 EUR
View
A
Retailer 6
-
$308 USD
View
A
Retailer 7
-
$309 USD
£243 GBP
View
B+
Retailer 8
-
$484 USD
View
B
Retailer 9
-
$580 USD
View
Most Expensive
B
MOH London
630430335 · Oct 25
$1,359 USD
£1,070 GBP
View
9 more retailers have this diamond
Prices start from $163 USDSave up to $1,196 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
$163 USD