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Cushion|Lab Grown|IGI

0.74ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG464189205

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG464189205

Diamond specifications and retailer prices

From $284 USD
As of October 30, 2026
Save $938 USD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,222 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.74ct lab-grown cushion diamond

This 0.74ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG464189205 or 464189205. Listed at 4 retailers as of October 29, 2026, with prices from $284 to $1,222, a $938 spread on the same certified stone. MOH London lists it at $1,222. 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

0.74
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG464189205
Dimensions5.30 × 5.26 × 3.63 mm
L/W Ratio1.01
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
5.30 mm5.26 mm0.74 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG464189205
Side View
Table 59.5%Crown 35.4°Girdle: THK-VTKPavilion 41.4°Culet: NoneDepth 69.0%

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: $1,222 USD|Low: $198 USD|High: $1,231 USD|Avg: $642 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$284 USD
Retailer 2$298 USD
Retailer 4$383 USD
Retailer 5$690 USD
Retailer 6$820 USD
Retailer 7$820 USD
MOH London$1,222 USD

34 data points across 7 retailers

4 retailers$284 USD to $1,222 USD

A
Cheapest Retailer
-
$284 USD
A
Retailer 2
-
$298 USD
£234 GBP
View
B+
Retailer 3
-
$383 USD
View
Most Expensive
B
MOH London
LG464189205 · Oct 29
$1,222 USD
£962 GBP
View
3 more retailers have this diamond
Prices start from $284 USDSave up to $938 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
0.74ct Cushion
$284 USD