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Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG668410063

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG668410063

Diamond specifications and retailer prices

From $160 USD
As of October 30, 2026
Save $692 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $852 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG668410063 or 668410063. Listed at 12 retailers as of October 29, 2026, with prices from $160 to $852, a $692 spread on the same certified stone. MOH London lists it at $852. 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

1.03
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668410063
Dimensions6.83 × 5.36 × 3.58 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm5.36 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668410063
Side View
Table 62.0%Crown 34.9°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 66.8%

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: Oct 30
Current: $852 USD|Low: $177 USD|High: $852 USD|Avg: $408 USD|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11$181 USD
Retailer 9$233 USD
Retailer 5$299 USD
Retailer 4$307 USD
Retailer 8$333 USD
Retailer 2$340 USD
Retailer 10$341 USD
Retailer 6$425 USD
Retailer 3$490 USD
Retailer 7$500 USD
MOH London$852 USD

38 data points across 11 retailers

12 retailers$160 USD to $852 USD

A
Cheapest Retailer
-
$160 USD
Final sale: no returns
A
Retailer 2
-
$181 USD
View
A
Retailer 3
-
$233 USD
£184 GBP
View
A
Retailer 4
-
$299 USD
View
A
Retailer 5
-
$307 USD
£241 GBP
View
A
Retailer 6
-
$333 USD
View
A
Retailer 7
-
$340 USD
€324 EUR
View
A
Retailer 8
-
$341 USD
£268 GBP
View
A
Retailer 9
-
$425 USD
View
B+
Retailer 10
-
$490 USD
View
B+
Retailer 11
-
$500 USD
View
Most Expensive
B
MOH London
LG668410063 · Oct 29
$852 USD
£671 GBP
View
11 more retailers have this diamond
Prices start from $160 USDSave up to $692 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
1.03ct Cushion
$160 USD