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Cushion|Lab Grown|IGI

0.70ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG512240910

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG512240910

Diamond specifications and retailer prices

From $271 USD
As of October 28, 2026
Save $878 USD (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,149 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.7ct lab-grown cushion diamond

This 0.7ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512240910 or 512240910. Listed at 4 retailers as of October 28, 2026, with prices from $271 to $1,149, a $878 spread on the same certified stone. MOH London lists it at $1,149. 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

0.70
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512240910
Dimensions5.29 × 5.27 × 3.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
5.29 mm5.27 mm0.70 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512240910
Side View
Table 64.5%Crown 32.9°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 63.9%

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 28
Current: $1,149 USD|Low: $188 USD|High: $1,158 USD|Avg: $539 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$271 USD
Retailer 2$274 USD
Retailer 4$374 USD
Retailer 5$540 USD
Retailer 6$540 USD
Retailer 7$650 USD
MOH London$1,149 USD

33 data points across 7 retailers

4 retailers$271 USD to $1,149 USD

A
Cheapest Retailer
-
$271 USD
A
Retailer 2
-
$274 USD
£215 GBP
View
B+
Retailer 3
-
$374 USD
View
Most Expensive
B
MOH London
LG512240910 · Oct 29
$1,149 USD
£905 GBP
View
3 more retailers have this diamond
Prices start from $271 USDSave up to $878 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
0.70ct Cushion
$271 USD