Cushion|Lab Grown|IGI

0.91ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG694574646

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG694574646

Diamond specifications and retailer prices

From $256 USD
HK$2,000 HKD
As of October 28, 2026
Save $818 USD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,074 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown cushion diamond

This 0.91ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694574646 or 694574646. Listed at 7 retailers as of October 28, 2026, with prices from $256 to $1,074, a $818 spread on the same certified stone. MOH London lists it at $1,074. 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

0.91
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694574646
Dimensions6.87 × 5.13 × 3.49 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.87 mm5.13 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694574646
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 68.0%

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 28
Current: $1,074 USD|Low: $209 USD|High: $1,074 USD|Avg: $450 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 9$209 USD
Retailer 6$256 USD
Retailer 5$280 USD
Retailer 2$303 USD
Retailer 7$404 USD
Retailer 8$412 USD
Retailer 4$464 USD
Retailer 3$481 USD
Retailer 10$541 USD
Retailer 11$900 USD
MOH London$1,074 USD

2 data points across 11 retailers

7 retailers$256 USD to $1,074 USD

A
Cheapest Retailer
-
$256 USD
HK$2,000 HKD
A
Retailer 2
-
$280 USD
View
A
Retailer 3
-
$303 USD
£239 GBP
View
A
Retailer 4
-
$404 USD
View
A
Retailer 5
-
$412 USD
£324 GBP
View
B+
Retailer 6
-
$464 USD
View
Most Expensive
B
MOH London
LG694574646 · Oct 29
$1,074 USD
£846 GBP
View
6 more retailers have this diamond
Prices start from $256 USDSave up to $818 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
0.91ct Cushion
$256 USD