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Cushion|Lab Grown|IGI

1.00ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG823691753

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG823691753

Diamond specifications and retailer prices

From $204 AUD
As of November 6, 2026
Save $1,693 AUD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,896 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823691753 or 823691753. Listed at 9 retailers as of November 5, 2026, with prices from $204 to $1,896, a $1,693 spread on the same certified stone. MOH London lists it at $1,896. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823691753
Dimensions5.80 × 5.74 × 3.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.80 mm5.74 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823691753
Side View
Table 71.0%Crown 35.8°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 63.4%

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: Nov 6
Current: $1,896 AUD|Low: $204 AUD|High: $1,924 AUD|Avg: $739 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$204 AUD
Retailer 6$309 AUD
Retailer 2$374 AUD
Retailer 3$432 AUD
Retailer 5$447 AUD
Retailer 4$750 AUD
Retailer 7$814 AUD
Retailer 9$1,394 AUD
MOH London$1,896 AUD

41 data points across 9 retailers

9 retailers$204 AUD to $1,896 AUD

A
Cheapest Retailer
-
$204 AUD
Final sale: no returns
B+
Retailer 2
-
$309 AUD
View
A
Retailer 3
-
$374 AUD
View
A
Retailer 4
-
$432 AUD
View
A
Retailer 5
-
$447 AUD
View
B+
Retailer 6
-
$750 AUD
View
B
Retailer 7
-
$814 AUD
View
B
Retailer 8
-
$1,394 AUD
View
Most Expensive
B
MOH London
LG823691753 · Nov 5
$1,896 AUD
£1,026 GBP
View
8 more retailers have this diamond
Prices start from $204 AUDSave up to $1,693 AUD

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
1.00ct Cushion
$204 AUD