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Cushion|Lab Grown|IGI

1.23ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG837628359

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837628359

Diamond specifications and retailer prices

From $895 AUD
As of November 4, 2026
Save $2,497 AUD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,393 AUD at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837628359 or 837628359. Listed at 9 retailers as of November 4, 2026, with prices from $895 to $3,393, a $2,497 spread on the same certified stone. Yadav Diamonds lists it at $3,393. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628359
Dimensions7.43 × 5.76 × 3.83 mm
L/W Ratio1.29
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 Type II
Top View
7.43 mm5.76 mm1.23 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628359
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

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: Nov 4
Current: $1,993 AUD|Low: $560 AUD|High: $3,393 AUD|Avg: $1,541 AUD
Retailer 1
Retailer 2
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Retailer 11
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Retailer 18
Yadav Diamonds
October 8, 2026
Retailer 9$560 AUD
Retailer 16$587 AUD
Retailer 5$784 AUD
Retailer 6$847 AUD
Retailer 17$870 AUD
Retailer 13$895 AUD
Retailer 18$964 AUD
Retailer 7$995 AUD
Retailer 2$1,162 AUD
Retailer 12$1,210 AUD
Retailer 8$1,879 AUD
Retailer 10$1,990 AUD
Retailer 1$1,993 AUD
Retailer 4$2,245 AUD
Retailer 3$2,289 AUD
Retailer 11$2,354 AUD
Retailer 15$2,456 AUD
Retailer 14$3,179 AUD
Yadav Diamonds$3,393 AUD

11 data points across 19 retailers

9 retailers$895 AUD to $3,393 AUD

A
Cheapest Retailer
-
$895 AUD
Retailer 2
-
$964 AUD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$1,210 AUD
View
B+
Retailer 4
-
$1,993 AUD
View
Retailer 5
-
$2,289 AUD
View
Price last confirmed 35 days ago
B
Retailer 6
-
$2,354 AUD
View
Retailer 7
-
$2,456 AUD
View
Price last confirmed 33 days ago
Retailer 8
-
$3,179 AUD
View
Price last confirmed 32 days ago
Most Expensive
B
Yadav Diamonds
13312131 · Nov 4
$3,393 AUD
$2,380 USD
View
8 more retailers have this diamond
Prices start from $895 AUDSave up to $2,497 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
1.23ct Cushion
$895 AUD