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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG787630559

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG787630559

Diamond specifications and retailer prices

From $324 AUD
As of November 1, 2026
Save $1,303 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,626 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant 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 LG787630559 or 787630559. Listed at 14 retailers as of November 1, 2026, with prices from $324 to $1,626, a $1,303 spread on the same certified stone. Reve Diamonds lists it at $1,626. 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 angle21.1°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787630559
Dimensions7.43 × 5.20 × 3.50 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.20 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787630559
Side View
Table 65.0%Crown 21.1°Girdle: MediumPavilion 32.3°Culet: NoneDepth 67.3%

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 1
Current: $586 AUD|Low: $251 AUD|High: $1,626 AUD|Avg: $735 AUD|+4.8%
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
November 3, 2026
Retailer 13$261 AUD
Retailer 7$291 AUD
Retailer 3$304 AUD
Retailer 4$324 AUD
Retailer 14$324 AUD
Retailer 11$535 AUD
Retailer 9$559 AUD
Retailer 2$573 AUD
Retailer 1$586 AUD
Retailer 5$783 AUD
Retailer 8$791 AUD
Retailer 15$1,042 AUD
Retailer 12$1,100 AUD
Retailer 6$1,119 AUD
Retailer 10$1,517 AUD
Reve Diamonds$1,626 AUD

44 data points across 16 retailers

14 retailers$324 AUD to $1,626 AUD

Retailer 1
-
$324 AUD
Price last confirmed 11 days ago
A
Retailer 2
-
$324 AUD
View
A
Retailer 3
-
$535 AUD
View
A
Retailer 4
-
$559 AUD
View
A
Retailer 5
-
$573 AUD
View
A
Retailer 6
-
$586 AUD
View
A
Retailer 7
-
$656 AUD
View
B+
Retailer 8
-
$783 AUD
View
B+
Retailer 9
-
$791 AUD
View
B+
Retailer 10
-
$1,042 AUD
View
B+
Retailer 11
-
$1,100 AUD
View
B+
Retailer 12
-
$1,119 AUD
View
B
Retailer 13
-
$1,517 AUD
View
Most Expensive
B
Reve Diamonds
6114E3983 · Nov 1
$1,626 AUD
$1,141 USD
View
13 more retailers have this diamond
Prices start from $324 AUDSave up to $1,303 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 Radiant
$324 AUD