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Cushion|Lab Grown|IGI

1.29ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG647418349

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG647418349

Diamond specifications and retailer prices

From $354 AUD
$249 USD
As of October 30, 2026
Save $1,449 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,803 AUD at Reve Diamonds · As of October 30, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647418349 or 647418349. Listed at 18 retailers as of October 30, 2026, with prices from $354 to $1,803, a $1,449 spread on the same certified stone. Reve Diamonds lists it at $1,803. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647418349
Dimensions6.36 × 6.27 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.36 mm6.27 mm1.29 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647418349
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.1%

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: Oct 30
Current: $733 AUD|Low: $315 AUD|High: $1,834 AUD|Avg: $922 AUD|+19.8%
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
Reve Diamonds
October 31, 2026
Retailer 15$354 AUD
Retailer 3$393 AUD
Retailer 14$495 AUD
Retailer 9$608 AUD
Retailer 6$671 AUD
Retailer 12$676 AUD
Retailer 4$703 AUD
Retailer 1$733 AUD
Retailer 2$848 AUD
Retailer 11$918 AUD
Retailer 13$960 AUD
Retailer 7$1,089 AUD
Retailer 5$1,340 AUD
Retailer 8$1,424 AUD
Retailer 10$1,586 AUD
Reve Diamonds$1,803 AUD

38 data points across 16 retailers

18 retailers$354 AUD to $1,803 AUD

A
Cheapest Retailer
-
$354 AUD
$249 USD
Final sale: no returns
Retailer 2
-
$393 AUD
$276 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$495 AUD
£274 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$608 AUD
€407 EUR
View
A
Retailer 5
-
$671 AUD
$471 USD
View
A
Retailer 6
-
$676 AUD
ZAR 7,670 ZAR
View
A
Retailer 7
-
$703 AUD
$494 USD
View
A
Retailer 8
-
$733 AUD
£405 GBP
View
B+
Retailer 9
-
$848 AUD
$596 USD
View
B+
Retailer 10
-
$918 AUD
$645 USD
View
Retailer 11
-
$947 AUD
$665 USD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$960 AUD
View
Retailer 13
-
$1,053 AUD
$740 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$1,089 AUD
$765 USD
View
B
Retailer 15
-
$1,340 AUD
$941 USD
View
B
Retailer 16
-
$1,424 AUD
$1,000 USD
View
B
Retailer 17
-
$1,586 AUD
£877 GBP
View
Most Expensive
B
Reve Diamonds
C1CF9ACF1 · Oct 30
$1,803 AUD
$1,267 USD
View
17 more retailers have this diamond
Prices start from $354 AUDSave up to $1,449 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
$354 AUD