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Radiant|Lab Grown|IGI

1.20ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG835647925

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

Certificate IGI LG835647925

Diamond specifications and retailer prices

From $316 AUD
As of November 4, 2026
Save $1,166 AUD (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,483 AUD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.2ct lab-grown radiant diamond

This 1.2ct 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 LG835647925 or 835647925. Listed at 4 retailers as of November 1, 2026, with prices from $316 to $1,483, a $1,166 spread on the same certified stone. Brilliant Earth lists it at $1,483. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835647925
Dimensions7.44 × 5.33 × 3.60 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm5.33 mm1.20 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835647925
Side View
Table 63.0%Crown 44.9°Girdle: MediumPavilion 36.2°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,483 AUD|Low: $281 AUD|High: $1,554 AUD|Avg: $830 AUD|+3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 4, 2026
Retailer 3$316 AUD
Retailer 2$659 AUD
Retailer 4$1,026 AUD
Brilliant Earth$1,483 AUD

33 data points across 4 retailers

4 retailers$316 AUD to $1,483 AUD

A
Cheapest Retailer
-
$316 AUD
Final sale: no returns
A
Retailer 2
-
$659 AUD
View
Retailer 3
-
$1,026 AUD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
21363660A · Nov 1
$1,483 AUD
$1,040 USD
View
3 more retailers have this diamond
Prices start from $316 AUDSave up to $1,166 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
1.20ct Radiant
$316 AUD