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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 $237 USD
As of November 6, 2026
Save $1,074 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,311 USD 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 $237 to $1,311, a $1,074 spread on the same certified stone. Reve Diamonds lists it at $1,311. 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
Color
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: $549 USD|Low: $227 USD|High: $1,311 USD|Avg: $630 USD|+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$237 USD
Retailer 6$265 USD
Retailer 14$275 USD
Retailer 2$294 USD
Retailer 11$294 USD
Retailer 3$415 USD
Retailer 13$495 USD
Retailer 4$532 USD
Retailer 1$549 USD
Retailer 7$670 USD
Retailer 12$944 USD
Retailer 9$947 USD
Retailer 5$996 USD
Retailer 8$1,178 USD
Reve Diamonds$1,311 USD

43 data points across 15 retailers

16 retailers$237 USD to $1,311 USD

A
Cheapest Retailer
-
$237 USD
A
Retailer 2
-
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$275 USD
View
Retailer 4
-
$294 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$294 USD
View
A
Retailer 6
-
$415 USD
View
B+
Retailer 7
-
$495 USD
View
B+
Retailer 8
-
$532 USD
View
B+
Retailer 9
-
$549 USD
View
B+
Retailer 10
-
$670 USD
View
B+
Retailer 11
-
$691 USD
View
B
Retailer 12
-
$944 USD
View
B
Retailer 13
-
$947 USD
View
B
Retailer 14
-
$996 USD
View
Retailer 15
-
$1,178 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Reve Diamonds
64EBC71C1 · Nov 6
$1,311 USD
View
15 more retailers have this diamond
Prices start from $237 USDSave up to $1,074 USD

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
$237 USD