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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 $428 NZD
As of November 6, 2026
Save $1,937 NZD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,365 NZD 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 $428 to $2,365, a $1,937 spread on the same certified stone. Reve Diamonds lists it at $2,365. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $990 NZD|Low: $409 NZD|High: $2,365 NZD|Avg: $1,137 NZD|+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$428 NZD
Retailer 6$478 NZD
Retailer 14$496 NZD
Retailer 2$530 NZD
Retailer 11$530 NZD
Retailer 3$749 NZD
Retailer 13$893 NZD
Retailer 4$960 NZD
Retailer 1$990 NZD
Retailer 7$1,209 NZD
Retailer 12$1,703 NZD
Retailer 9$1,708 NZD
Retailer 5$1,797 NZD
Retailer 8$2,125 NZD
Reve Diamonds$2,365 NZD

43 data points across 15 retailers

16 retailers$428 NZD to $2,365 NZD

A
Cheapest Retailer
-
$428 NZD
A
Retailer 2
-
$478 NZD
View
Final sale: no returns
A
Retailer 3
-
$496 NZD
View
Retailer 4
-
$530 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$530 NZD
View
A
Retailer 6
-
$749 NZD
View
B+
Retailer 7
-
$893 NZD
View
B+
Retailer 8
-
$960 NZD
View
B+
Retailer 9
-
$990 NZD
View
B+
Retailer 10
-
$1,209 NZD
View
B+
Retailer 11
-
$1,246 NZD
View
B
Retailer 12
-
$1,703 NZD
View
B
Retailer 13
-
$1,708 NZD
View
B
Retailer 14
-
$1,797 NZD
View
Retailer 15
-
$2,125 NZD
View
Price last confirmed 12 days ago
Most Expensive
B
Reve Diamonds
64EBC71C1 · Nov 6
$2,365 NZD
$1,311 USD
View
15 more retailers have this diamond
Prices start from $428 NZDSave up to $1,937 NZD

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
$428 NZD