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Cushion|Lab Grown|IGI

1.29ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG803659486

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

Certificate IGI LG803659486

Diamond specifications and retailer prices

From $478 AUD
As of November 4, 2026
Save $1,237 AUD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,715 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.29ct lab-grown cushion diamond

This 1.29ct 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 LG803659486 or 803659486. Listed at 17 retailers as of November 4, 2026, with prices from $478 to $1,715, a $1,237 spread on the same certified stone. Reve Diamonds lists it at $1,715. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803659486
Dimensions6.34 × 6.20 × 4.20 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
6.34 mm6.20 mm1.29 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803659486
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.7%

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: $478 AUD|Low: $171 AUD|High: $1,967 AUD|Avg: $859 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
Retailer 17
Reve Diamonds
November 4, 2026
Retailer 8$171 AUD
Retailer 6$359 AUD
Retailer 10$376 AUD
Retailer 1$478 AUD
Retailer 17$593 AUD
Retailer 15$619 AUD
Retailer 3$620 AUD
Retailer 11$651 AUD
Retailer 2$740 AUD
Retailer 7$818 AUD
Retailer 14$874 AUD
Retailer 13$958 AUD
Retailer 5$1,033 AUD
Retailer 9$1,100 AUD
Retailer 12$1,197 AUD
Retailer 4$1,229 AUD
Retailer 16$1,676 AUD
Reve Diamonds$1,715 AUD

21 data points across 18 retailers

17 retailers$478 AUD to $1,715 AUD

Retailer 1
-
$359 AUD
Price last confirmed 10 days ago
Retailer 2
-
$376 AUD
View
Our latest check could not confirm this price
Final sale: no returns
A
Retailer 3
-
$478 AUD
View
A
Retailer 4
-
$593 AUD
View
A
Retailer 5
-
$619 AUD
View
A
Retailer 6
-
$620 AUD
View
A
Retailer 7
-
$651 AUD
View
A
Retailer 8
-
$740 AUD
View
Retailer 9
-
$818 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$874 AUD
View
B+
Retailer 11
-
$958 AUD
View
Retailer 12
-
$1,033 AUD
View
Price last confirmed 7 days ago
Retailer 13
-
$1,100 AUD
View
Price last confirmed 78 days ago
B+
Retailer 14
-
$1,197 AUD
View
B+
Retailer 15
-
$1,229 AUD
View
B
Retailer 16
-
$1,676 AUD
View
Most Expensive
B
Reve Diamonds
752B8F8E8 · Nov 4
$1,715 AUD
$1,203 USD
View
16 more retailers have this diamond
Prices start from $478 AUDSave up to $1,237 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
1.29ct Cushion
$478 AUD