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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG825658773

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

Certificate IGI LG825658773

Diamond specifications and retailer prices

From $277 AUD
As of November 4, 2026
Save $1,399 AUD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,675 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 LG825658773 or 825658773. Listed at 19 retailers as of November 4, 2026, with prices from $277 to $1,675, a $1,399 spread on the same certified stone. Reve Diamonds lists it at $1,675. 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 angle42.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825658773
Dimensions7.78 × 5.46 × 3.42 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.46 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825658773
Side View
Table 72.0%Crown 42.3°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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 4
Current: $620 AUD|Low: $265 AUD|High: $1,675 AUD|Avg: $860 AUD|+3.6%
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 5, 2026
Retailer 15$277 AUD
Retailer 5$309 AUD
Retailer 2$344 AUD
Retailer 10$592 AUD
Retailer 3$597 AUD
Retailer 1$620 AUD
Retailer 12$630 AUD
Retailer 6$660 AUD
Retailer 9$837 AUD
Retailer 8$890 AUD
Retailer 11$1,012 AUD
Retailer 14$1,033 AUD
Retailer 7$1,180 AUD
Retailer 4$1,229 AUD
Retailer 13$1,614 AUD
Reve Diamonds$1,675 AUD

45 data points across 16 retailers

19 retailers$277 AUD to $1,675 AUD

A
Cheapest Retailer
-
$277 AUD
A
Retailer 2
-
$309 AUD
View
Final sale: no returns
A
Retailer 3
-
$321 AUD
View
Retailer 4
-
$344 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$344 AUD
View
A
Retailer 6
-
$592 AUD
View
A
Retailer 7
-
$597 AUD
View
A
Retailer 8
-
$620 AUD
View
A
Retailer 9
-
$630 AUD
View
A
Retailer 10
-
$660 AUD
View
B+
Retailer 11
-
$837 AUD
View
B+
Retailer 12
-
$890 AUD
View
B+
Retailer 13
-
$1,012 AUD
View
Retailer 14
-
$1,033 AUD
View
Price last confirmed 18 days ago
B
Retailer 15
-
$1,103 AUD
View
B
Retailer 16
-
$1,180 AUD
View
B
Retailer 17
-
$1,254 AUD
View
B
Retailer 18
-
$1,614 AUD
View
Price last confirmed 7 days ago
Most Expensive
B
Reve Diamonds
3F34DD91A · Nov 4
$1,675 AUD
$1,175 USD
View
18 more retailers have this diamond
Prices start from $277 AUDSave up to $1,399 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
$277 AUD