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Cushion|Lab Grown|IGI

1.21ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG749577139

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

Certificate IGI LG749577139

Diamond specifications and retailer prices

From $639 AUD
As of November 5, 2026
Save $1,352 AUD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,990 AUD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749577139 or 749577139. Listed at 11 retailers as of November 4, 2026, with prices from $639 to $1,990, a $1,352 spread on the same certified stone. Taylor and Hart lists it at $1,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749577139
Dimensions6.43 × 6.14 × 3.91 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm6.14 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749577139
Side View
Table 63.0%Crown 35.5°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 63.7%

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 5
Current: $710 AUD|Low: $624 AUD|High: $1,914 AUD|Avg: $992 AUD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$639 AUD
Retailer 9$660 AUD
Retailer 4$666 AUD
Retailer 5$699 AUD
Retailer 1$710 AUD
Retailer 3$944 AUD
Retailer 7$986 AUD
Retailer 8$1,271 AUD
Retailer 10$1,544 AUD
Retailer 6$1,556 AUD

44 data points across 10 retailers

11 retailers$639 AUD to $1,990 AUD

A
Cheapest Retailer
-
$639 AUD
A
Retailer 2
-
$660 AUD
View
A
Retailer 3
-
$666 AUD
View
A
Retailer 4
-
$699 AUD
View
A
Retailer 5
-
$710 AUD
View
B+
Retailer 6
-
$944 AUD
View
B+
Retailer 7
-
$986 AUD
View
Retailer 8
-
$1,271 AUD
View
Price last confirmed 29 days ago
B
Retailer 9
-
$1,544 AUD
View
Retailer 10
-
$1,556 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Taylor and Hart
B9Y3OZB · Nov 4
$1,990 AUD
$1,393 USD
View
10 more retailers have this diamond
Prices start from $639 AUDSave up to $1,352 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
$639 AUD