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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 €153 EUR
As of November 4, 2026
Save €841 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €994 EUR 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 €153 to €994, a €841 spread on the same certified stone. Brilliant Earth lists it at €994. 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
Colour
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: €994 EUR|Low: €153 EUR|High: €1,155 EUR|Avg: €475 EUR|-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€153 EUR
Retailer 4€178 EUR
Retailer 5€188 EUR
Retailer 13€191 EUR
Retailer 15€245 EUR
Retailer 2€336 EUR
Retailer 3€339 EUR
Retailer 12€342 EUR
Retailer 7€407 EUR
Retailer 6€492 EUR
Retailer 11€612 EUR
Retailer 8€645 EUR
Retailer 14€647 EUR
Retailer 10€890 EUR
Brilliant Earth€994 EUR

39 data points across 15 retailers

16 retailers€153 EUR to €994 EUR

A
Cheapest Retailer
-
€153 EUR
Retailer 2
-
€178 EUR
View
Price last confirmed 41 days ago
Retailer 3
-
€188 EUR
View
Price last confirmed 41 days ago
Retailer 4
-
€191 EUR
View
Price last confirmed 26 days ago
Retailer 5
-
€191 EUR
View
Price last confirmed 13 days ago
A
Retailer 6
-
€336 EUR
View
B+
Retailer 7
-
€339 EUR
View
A
Retailer 8
-
€342 EUR
View
A
Retailer 9
-
€407 EUR
View
B+
Retailer 10
-
€492 EUR
View
B+
Retailer 11
-
€612 EUR
View
B
Retailer 12
-
€645 EUR
View
B
Retailer 13
-
€647 EUR
View
B+
Retailer 14
-
€668 EUR
View
B
Retailer 15
-
€890 EUR
View
Most Expensive
B
Brilliant Earth
10975666A · Nov 4
€994 EUR
$1,110 USD
View
15 more retailers have this diamond
Prices start from €153 EURSave up to €841 EUR

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
€153 EUR