Radiant|Lab Grown|IGI

1.53ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG685553936

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

Certificate IGI LG685553936

Diamond specifications and retailer prices

From €152 EUR
As of November 6, 2026
Save €729 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €882 EUR at MOH London · As of November 1, 2026
View at MOH London

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685553936 or 685553936. Listed at 15 retailers as of November 1, 2026, with prices from €152 to €882, a €729 spread on the same certified stone. MOH London lists it at €882. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685553936
Dimensions8.29 × 5.61 × 3.78 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.61 mm1.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685553936
Side View
Table 62.0%Crown 43°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 67.4%

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: €882 EUR|Low: €152 EUR|High: €1,227 EUR|Avg: €461 EUR
MOH London
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
Retailer 16
November 7, 2026
Retailer 6€152 EUR
Retailer 5€176 EUR
Retailer 13€189 EUR
Retailer 3€218 EUR
Retailer 10€240 EUR
Retailer 9€326 EUR
Retailer 2€331 EUR
Retailer 4€338 EUR
Retailer 16€414 EUR
Retailer 14€423 EUR
Retailer 15€606 EUR
Retailer 12€640 EUR
Retailer 11€645 EUR
Retailer 7€688 EUR
MOH London€882 EUR
Retailer 8€1,227 EUR

12 data points across 16 retailers

15 retailers€152 EUR to €882 EUR

A
Cheapest Retailer
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€152 EUR
A
Retailer 2
-
€176 EUR
View
A
Retailer 3
-
€189 EUR
View
A
Retailer 4
-
€218 EUR
View
A
Retailer 5
-
€240 EUR
View
A
Retailer 6
-
€326 EUR
View
A
Retailer 7
-
€331 EUR
View
B+
Retailer 8
-
€338 EUR
View
A
Retailer 9
-
€414 EUR
View
A
Retailer 10
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€423 EUR
View
B+
Retailer 11
-
€606 EUR
View
B+
Retailer 12
-
€640 EUR
View
B+
Retailer 13
-
€645 EUR
View
B+
Retailer 14
-
€692 EUR
View
Most Expensive
B
MOH London
LG685553936 · Nov 1
€882 EUR
£775 GBP
View
14 more retailers have this diamond
Prices start from €152 EURSave up to €729 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
€152 EUR