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Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG779643097

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

Certificate IGI LG779643097

Diamond specifications and retailer prices

From $315 AUD
$221 USD
As of October 30, 2026
Save $1,375 AUD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,690 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779643097 or 779643097. Listed at 19 retailers as of October 30, 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

1.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643097
Dimensions6.08 × 6.08 × 3.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.08 mm6.08 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643097
Side View
Table 66.0%Crown 35.3°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 62.2%

Caratlytics Score

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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: $467 AUD|Low: $315 AUD|High: $1,652 AUD|Avg: $881 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 3$315 AUD
Retailer 1$467 AUD
Retailer 7$586 AUD
Retailer 11$600 AUD
Retailer 5$639 AUD
Retailer 8$843 AUD
Retailer 2$854 AUD
Retailer 10$1,032 AUD
Retailer 12$1,069 AUD
Retailer 6$1,239 AUD
Retailer 4$1,367 AUD
Retailer 9$1,642 AUD

33 data points across 12 retailers

19 retailers$315 AUD to $1,690 AUD

A
Cheapest Retailer
-
$315 AUD
$221 USD
Final sale: no returns
A
Retailer 2
-
$349 AUD
$245 USD
View
A
Retailer 3
-
$467 AUD
£258 GBP
View
B+
Retailer 4
-
$473 AUD
$332 USD
View
A
Retailer 5
-
$586 AUD
€392 EUR
View
A
Retailer 6
-
$600 AUD
ZAR 6,808 ZAR
View
A
Retailer 7
-
$639 AUD
£354 GBP
View
A
Retailer 8
-
$662 AUD
$465 USD
View
A
Retailer 9
-
$698 AUD
$490 USD
View
B+
Retailer 10
-
$843 AUD
$592 USD
View
B+
Retailer 11
-
$854 AUD
View
B+
Retailer 12
-
$1,032 AUD
$725 USD
View
B+
Retailer 13
-
$1,069 AUD
View
B+
Retailer 14
-
$1,142 AUD
SGD 1,084 SGD
View
B
Retailer 15
-
$1,199 AUD
$842 USD
View
B
Retailer 16
-
$1,239 AUD
$870 USD
View
B
Retailer 17
-
$1,367 AUD
£756 GBP
View
B
Retailer 18
-
$1,642 AUD
£908 GBP
View
Most Expensive
B
Reve Diamonds
227E444CF · Oct 30
$1,690 AUD
$1,187 USD
View
18 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
1.21ct Cushion
$315 AUD