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Cushion|Lab Grown|IGI

1.29ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG684505396

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG684505396

Diamond specifications and retailer prices

From $388 AUD
As of November 4, 2026
Save $1,508 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,967 AUD at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

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 LG684505396 or 684505396. Listed at 15 retailers as of November 4, 2026, with a 389% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684505396
Dimensions6.39 × 6.26 × 4.18 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.26 mm1.29 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684505396
Side View
Table 63.0%Crown 37.4°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 66.8%

Caratlytics Score

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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: $1,967 AUD|Low: $334 AUD|High: $2,024 AUD|Avg: $978 AUD|-2.8%
Brilliant Earth
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
November 4, 2026
Retailer 9$388 AUD
Retailer 6$409 AUD
Retailer 2$572 AUD
Retailer 15$630 AUD
Retailer 13$707 AUD
Retailer 10$721 AUD
Retailer 7$754 AUD
Retailer 12$764 AUD
Retailer 5$864 AUD
Retailer 4$999 AUD
Retailer 3$1,033 AUD
Retailer 8$1,454 AUD
Retailer 14$1,641 AUD
Retailer 11$1,896 AUD
Brilliant Earth$1,967 AUD

39 data points across 15 retailers

15 retailers$388 AUD to $1,896 AUD

A
Cheapest Retailer
-
$388 AUD
Final sale: no returns
Retailer 2
-
$409 AUD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$572 AUD
View
A
Retailer 4
-
$630 AUD
View
A
Retailer 5
-
$707 AUD
View
A
Retailer 6
-
$721 AUD
View
A
Retailer 7
-
$754 AUD
View
B+
Retailer 8
-
$764 AUD
View
B+
Retailer 9
-
$864 AUD
View
Retailer 10
-
$999 AUD
View
Price last confirmed 8 days ago
Retailer 11
-
$1,033 AUD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$1,454 AUD
View
B
Retailer 13
-
$1,641 AUD
View
B
Retailer 14
-
$1,896 AUD
View
Most Expensive
Brilliant Earth
13255893A · Oct 9
$1,967 AUD
$1,380 USD
View
Price last confirmed 26 days ago
14 more retailers have this diamond
Prices start from $388 AUDSave up to $1,508 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
$388 AUD