Radiant|Lab Grown|IGI

1.43ct F SI2 Radiant Lab Grown Diamond

ID • F/SI2 • IGI LG523263272

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

Certificate IGI LG523263272

Diamond specifications and retailer prices

From €248 EUR
$277 USD
As of October 30, 2026
Save €989 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,237 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.43ct lab-grown radiant diamond

This 1.43ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523263272 or 523263272. Listed at 14 retailers as of October 29, 2026, with prices from €248 to €1,237, a €989 spread on the same certified stone. MOH London lists it at €1,237. 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

1.43
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle29.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523263272
Dimensions7.91 × 5.47 × 3.72 mm
L/W Ratio1.45
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
7.91 mm5.47 mm1.43 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523263272
Side View
Table 64.0%Crown 43.4°Girdle: MediumPavilion 29.3°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,237 EUR|Low: €238 EUR|High: €1,245 EUR|Avg: €574 EUR|+4.5%
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
November 1, 2026
Retailer 9€248 EUR
Retailer 5€277 EUR
Retailer 13€287 EUR
Retailer 3€307 EUR
Retailer 10€307 EUR
Retailer 2€410 EUR
Retailer 12€507 EUR
Retailer 4€538 EUR
Retailer 6€541 EUR
Retailer 7€779 EUR
Retailer 8€943 EUR
Retailer 11€987 EUR
MOH London€1,237 EUR

43 data points across 13 retailers

14 retailers€248 EUR to €1,237 EUR

A
Cheapest Retailer
-
€248 EUR
$277 USD
A
Retailer 2
-
€277 EUR
$309 USD
View
Final sale: no returns
A
Retailer 3
-
€287 EUR
$321 USD
View
A
Retailer 4
-
€307 EUR
$343 USD
View
A
Retailer 5
-
€307 EUR
$343 USD
View
A
Retailer 6
-
€410 EUR
£361 GBP
View
B+
Retailer 7
-
€507 EUR
$566 USD
View
B+
Retailer 8
-
€538 EUR
$601 USD
View
B+
Retailer 9
-
€541 EUR
£476 GBP
View
B
Retailer 10
-
€687 EUR
HK$6,000 HKD
View
B+
Retailer 11
-
€779 EUR
$870 USD
View
B
Retailer 12
-
€943 EUR
$1,054 USD
View
B
Retailer 13
-
€987 EUR
$1,103 USD
View
Most Expensive
B
MOH London
LG523263272 · Oct 29
€1,237 EUR
£1,088 GBP
View
13 more retailers have this diamond
Prices start from €248 EURSave up to €989 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
1.43ct Radiant
€248 EUR