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Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG630449047

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

Certificate IGI LG630449047

Diamond specifications and retailer prices

From $171 USD
As of November 4, 2026
Save $939 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,110 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630449047 or 630449047. Listed at 16 retailers as of November 4, 2026, with prices from $171 to $1,110, a $939 spread on the same certified stone. Brilliant Earth lists it at $1,110. 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

1.53
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630449047
Dimensions8.15 × 5.69 × 3.82 mm
L/W Ratio1.43
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
8.15 mm5.69 mm1.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630449047
Side View
Table 66.0%Crown 35°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.1%

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 4
Current: $1,110 USD|Low: $171 USD|High: $1,290 USD|Avg: $530 USD|-14.0%
Brilliant Earth
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
Retailer 15
November 5, 2026
Retailer 9$171 USD
Retailer 4$199 USD
Retailer 5$210 USD
Retailer 13$213 USD
Retailer 15$273 USD
Retailer 2$375 USD
Retailer 3$379 USD
Retailer 12$382 USD
Retailer 7$454 USD
Retailer 6$549 USD
Retailer 11$683 USD
Retailer 8$720 USD
Retailer 14$722 USD
Retailer 10$994 USD
Brilliant Earth$1,110 USD

39 data points across 15 retailers

16 retailers$171 USD to $1,110 USD

A
Cheapest Retailer
-
$171 USD
Retailer 2
-
$199 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$210 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$213 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$213 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$375 USD
View
B+
Retailer 7
-
$379 USD
View
A
Retailer 8
-
$382 USD
View
A
Retailer 9
-
$454 USD
View
B+
Retailer 10
-
$549 USD
View
B+
Retailer 11
-
$683 USD
View
B
Retailer 12
-
$720 USD
View
B
Retailer 13
-
$722 USD
View
B+
Retailer 14
-
$746 USD
View
B
Retailer 15
-
$994 USD
View
Most Expensive
B
Brilliant Earth
10975666A · Nov 4
$1,110 USD
View
15 more retailers have this diamond
Prices start from $171 USDSave up to $939 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
1.53ct Radiant
$171 USD