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Cushion|Lab Grown|IGI

1.25ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG787608789

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

Certificate IGI LG787608789

Diamond specifications and retailer prices

From $315 AUD
As of November 4, 2026
Save $1,375 AUD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,690 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG787608789 or 787608789. Listed at 17 retailers as of November 4, 2026, with prices from $315 to $1,690, a $1,375 spread on the same certified stone. Reve Diamonds lists it at $1,690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787608789
Dimensions6.31 × 6.19 × 4.16 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
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
6.31 mm6.19 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787608789
Side View
Table 59.0%Crown 33.4°Girdle: MED-THKPavilion 40°Culet: NoneDepth 67.2%

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: $465 AUD|Low: $304 AUD|High: $1,896 AUD|Avg: $867 AUD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
November 4, 2026
Retailer 10$315 AUD
Retailer 8$349 AUD
Retailer 1$465 AUD
Retailer 16$580 AUD
Retailer 14$602 AUD
Retailer 4$607 AUD
Retailer 9$631 AUD
Retailer 2$700 AUD
Retailer 3$807 AUD
Retailer 12$851 AUD
Retailer 11$928 AUD
Retailer 7$1,026 AUD
Retailer 6$1,091 AUD
Retailer 13$1,155 AUD
Retailer 5$1,197 AUD
Retailer 15$1,632 AUD
Reve Diamonds$1,690 AUD

21 data points across 17 retailers

17 retailers$315 AUD to $1,690 AUD

A
Cheapest Retailer
-
$315 AUD
Final sale: no returns
Retailer 2
-
$349 AUD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$465 AUD
View
A
Retailer 4
-
$580 AUD
View
A
Retailer 5
-
$602 AUD
View
A
Retailer 6
-
$607 AUD
View
A
Retailer 7
-
$631 AUD
View
A
Retailer 8
-
$700 AUD
View
A
Retailer 9
-
$807 AUD
View
B+
Retailer 10
-
$851 AUD
View
B+
Retailer 11
-
$928 AUD
View
Retailer 12
-
$1,026 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,091 AUD
View
B+
Retailer 14
-
$1,155 AUD
View
B+
Retailer 15
-
$1,197 AUD
View
B
Retailer 16
-
$1,632 AUD
View
Most Expensive
B
Reve Diamonds
768048554 · Nov 4
$1,690 AUD
$1,186 USD
View
16 more retailers have this diamond
Prices start from $315 AUDSave up to $1,375 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
1.25ct Cushion
$315 AUD