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Radiant|Lab Grown|IGI

1.20ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG530293341

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

Certificate IGI LG530293341

Diamond specifications and retailer prices

From $345 AUD
As of November 6, 2026
Save $1,563 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,908 AUD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530293341 or 530293341. Listed at 16 retailers as of November 6, 2026, with prices from $345 to $1,908, a $1,563 spread on the same certified stone. Reve Diamonds lists it at $1,908. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530293341
Dimensions7.38 × 5.35 × 3.48 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.38 mm5.35 mm1.20 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530293341
Side View
Table 65.5%Crown 37.2°Girdle: MediumPavilionCulet: NoneDepth 65.0%

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 6
Current: $799 AUD|Low: $330 AUD|High: $1,908 AUD|Avg: $917 AUD|+2.2%
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
Reve Diamonds
November 6, 2026
Retailer 10$345 AUD
Retailer 6$386 AUD
Retailer 14$400 AUD
Retailer 2$428 AUD
Retailer 11$428 AUD
Retailer 3$604 AUD
Retailer 13$720 AUD
Retailer 4$774 AUD
Retailer 1$799 AUD
Retailer 7$975 AUD
Retailer 12$1,374 AUD
Retailer 9$1,378 AUD
Retailer 5$1,450 AUD
Retailer 8$1,714 AUD
Reve Diamonds$1,908 AUD

43 data points across 15 retailers

16 retailers$345 AUD to $1,908 AUD

A
Cheapest Retailer
-
$345 AUD
A
Retailer 2
-
$386 AUD
View
Final sale: no returns
A
Retailer 3
-
$400 AUD
View
Retailer 4
-
$428 AUD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$428 AUD
View
A
Retailer 6
-
$604 AUD
View
B+
Retailer 7
-
$720 AUD
View
B+
Retailer 8
-
$774 AUD
View
B+
Retailer 9
-
$799 AUD
View
B+
Retailer 10
-
$975 AUD
View
B+
Retailer 11
-
$1,006 AUD
View
B
Retailer 12
-
$1,374 AUD
View
B
Retailer 13
-
$1,378 AUD
View
B
Retailer 14
-
$1,450 AUD
View
Retailer 15
-
$1,714 AUD
View
Price last confirmed 12 days ago
Most Expensive
B
Reve Diamonds
64EBC71C1 · Nov 6
$1,908 AUD
$1,311 USD
View
15 more retailers have this diamond
Prices start from $345 AUDSave up to $1,563 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
$345 AUD