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Radiant|Lab Grown|IGI

0.90ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG515228290

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

Certificate IGI LG515228290

Diamond specifications and retailer prices

From €139 EUR
$156 USD
As of October 30, 2026
Save €1,198 EUR (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,337 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG515228290 or 515228290. Listed at 16 retailers as of October 30, 2026, with prices from €139 to €1,337, a €1,198 spread on the same certified stone. Do Amore Diamonds lists it at €1,337. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515228290
Dimensions6.72 × 4.78 × 3.22 mm
L/W Ratio1.41
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
6.72 mm4.78 mm0.90 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515228290
Side View
Table 66.5%Crown 46.8°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.4%

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: €340 EUR|Low: €134 EUR|High: €900 EUR|Avg: €401 EUR|+4.6%
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
Retailer 15
November 2, 2026
Retailer 12€139 EUR
Retailer 3€156 EUR
Retailer 2€161 EUR
Retailer 4€172 EUR
Retailer 13€172 EUR
Retailer 15€315 EUR
Retailer 10€339 EUR
Retailer 1€340 EUR
Retailer 5€366 EUR
Retailer 6€395 EUR
Retailer 9€473 EUR
Retailer 11€585 EUR
Retailer 14€612 EUR
Retailer 7€675 EUR
Retailer 8€889 EUR

44 data points across 15 retailers

16 retailers€139 EUR to €1,337 EUR

A
Cheapest Retailer
-
€139 EUR
$156 USD
B+
Retailer 2
-
€156 EUR
$175 USD
View
Final sale: no returns
B+
Retailer 3
-
€161 EUR
$181 USD
View
B+
Retailer 4
-
€172 EUR
$193 USD
View
Retailer 5
-
€172 EUR
$193 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€197 EUR
$221 USD
View
B+
Retailer 7
-
€315 EUR
$353 USD
View
B+
Retailer 8
-
€339 EUR
$380 USD
View
B+
Retailer 9
-
€340 EUR
£300 GBP
View
B+
Retailer 10
-
€366 EUR
$410 USD
View
B
Retailer 11
-
€473 EUR
$530 USD
View
B
Retailer 12
-
€585 EUR
$656 USD
View
B
Retailer 13
-
€612 EUR
$686 USD
View
B
Retailer 14
-
€766 EUR
$860 USD
View
B
Retailer 15
-
€889 EUR
£785 GBP
View
Most Expensive
C
Do Amore Diamonds
27-415D00FDF · Nov 2
€1,337 EUR
$1,500 USD
View
15 more retailers have this diamond
Prices start from €139 EURSave up to €1,198 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
0.90ct Radiant
€139 EUR