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Radiant|Lab Grown|IGI

1.20ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG731587272

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

Certificate IGI LG731587272

Diamond specifications and retailer prices

From $251 AUD
As of November 2, 2026
Save $1,574 AUD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,825 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG731587272 or 731587272. Listed at 15 retailers as of November 2, 2026, with prices from $251 to $1,825, a $1,574 spread on the same certified stone. Do Amore Diamonds lists it at $1,825. 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 angle39.5°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731587272
Dimensions7.78 × 5.23 × 3.48 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.23 mm1.20 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731587272
Side View
Table 64.0%Crown 39.5°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.5%

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 2
Current: $1,825 AUD|Low: $251 AUD|High: $1,999 AUD|Avg: $928 AUD
Do Amore Diamonds
Retailer 2
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November 4, 2026
Retailer 18$251 AUD
Retailer 5$279 AUD
Retailer 4$291 AUD
Retailer 21$311 AUD
Retailer 10$392 AUD
Retailer 7$411 AUD
Retailer 2$456 AUD
Retailer 3$550 AUD
Retailer 19$592 AUD
Retailer 16$619 AUD
Retailer 8$691 AUD
Retailer 11$748 AUD
Retailer 13$805 AUD
Retailer 17$835 AUD
Retailer 9$976 AUD
Retailer 22$1,103 AUD
Retailer 6$1,349 AUD
Retailer 20$1,604 AUD
Retailer 14$1,772 AUD
Retailer 15$1,785 AUD
Do Amore Diamonds$1,825 AUD
Retailer 12$1,999 AUD

6 data points across 22 retailers

15 retailers$251 AUD to $1,825 AUD

A
Cheapest Retailer
-
$251 AUD
A
Retailer 2
-
$279 AUD
View
Final sale: no returns
A
Retailer 3
-
$291 AUD
View
A
Retailer 4
-
$311 AUD
View
B+
Retailer 5
-
$411 AUD
View
A
Retailer 6
-
$456 AUD
View
A
Retailer 7
-
$550 AUD
View
A
Retailer 8
-
$592 AUD
View
A
Retailer 9
-
$619 AUD
View
B+
Retailer 10
-
$805 AUD
View
B+
Retailer 11
-
$835 AUD
View
B+
Retailer 12
-
$1,103 AUD
View
B
Retailer 13
-
$1,349 AUD
View
B
Retailer 14
-
$1,604 AUD
View
Most Expensive
B
Do Amore Diamonds
34-DB223-20D · Nov 4
$1,825 AUD
$1,280 USD
View
14 more retailers have this diamond
Prices start from $251 AUDSave up to $1,574 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
$251 AUD