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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG836604372

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

Certificate IGI LG836604372

Diamond specifications and retailer prices

From $368 AUD
As of November 4, 2026
Save $1,474 AUD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,842 AUD at Reve Diamonds · As of November 4, 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 LG836604372 or 836604372. Listed at 16 retailers as of November 4, 2026, with prices from $368 to $1,842, a $1,474 spread on the same certified stone. Reve Diamonds lists it at $1,842. 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 angle41.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836604372
Dimensions5.89 × 5.72 × 3.98 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.72 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836604372
Side View
Table 67.0%Crown 41.9°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 69.6%

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: Nov 4
Current: $543 AUD|Low: $368 AUD|High: $1,842 AUD|Avg: $1,004 AUD|-0.3%
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 4, 2026
Retailer 6$368 AUD
Retailer 14$408 AUD
Retailer 1$543 AUD
Retailer 15$549 AUD
Retailer 11$680 AUD
Retailer 9$704 AUD
Retailer 5$718 AUD
Retailer 3$750 AUD
Retailer 13$1,048 AUD
Retailer 8$1,081 AUD
Retailer 2$1,317 AUD
Retailer 4$1,384 AUD
Retailer 7$1,386 AUD
Retailer 10$1,634 AUD
Retailer 12$1,682 AUD
Reve Diamonds$1,842 AUD

35 data points across 16 retailers

16 retailers$368 AUD to $1,842 AUD

A
Cheapest Retailer
-
$368 AUD
Final sale: no returns
Retailer 2
-
$408 AUD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$543 AUD
View
A
Retailer 4
-
$549 AUD
View
A
Retailer 5
-
$680 AUD
View
A
Retailer 6
-
$704 AUD
View
B+
Retailer 7
-
$718 AUD
View
B+
Retailer 8
-
$750 AUD
View
Retailer 9
-
$1,048 AUD
View
Price last confirmed 18 days ago
B+
Retailer 10
-
$1,081 AUD
View
B
Retailer 11
-
$1,317 AUD
View
B
Retailer 12
-
$1,386 AUD
View
B
Retailer 13
-
$1,413 AUD
View
B
Retailer 14
-
$1,634 AUD
View
B
Retailer 15
-
$1,682 AUD
View
Most Expensive
B
Reve Diamonds
006CAE70F · Nov 4
$1,842 AUD
$1,292 USD
View
15 more retailers have this diamond
Prices start from $368 AUDSave up to $1,474 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
$368 AUD