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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 £116 GBP
$156 USD
As of October 30, 2026
Save £1,002 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,118 GBP 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 £116 to £1,118, a £1,002 spread on the same certified stone. Do Amore Diamonds lists it at £1,118. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £284 GBP|Low: £112 GBP|High: £752 GBP|Avg: £335 GBP|+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£116 GBP
Retailer 3£130 GBP
Retailer 2£135 GBP
Retailer 4£144 GBP
Retailer 13£144 GBP
Retailer 15£263 GBP
Retailer 10£283 GBP
Retailer 1£284 GBP
Retailer 5£306 GBP
Retailer 6£331 GBP
Retailer 9£395 GBP
Retailer 11£489 GBP
Retailer 14£511 GBP
Retailer 7£564 GBP
Retailer 8£743 GBP

44 data points across 15 retailers

16 retailers£116 GBP to £1,118 GBP

A
Cheapest Retailer
-
£116 GBP
$156 USD
B+
Retailer 2
-
£130 GBP
$175 USD
View
Final sale: no returns
B+
Retailer 3
-
£135 GBP
$181 USD
View
B+
Retailer 4
-
£144 GBP
$193 USD
View
Retailer 5
-
£144 GBP
$193 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£165 GBP
$221 USD
View
B+
Retailer 7
-
£263 GBP
$353 USD
View
B+
Retailer 8
-
£283 GBP
$380 USD
View
B+
Retailer 9
-
£284 GBP
View
B+
Retailer 10
-
£306 GBP
$410 USD
View
B
Retailer 11
-
£395 GBP
$530 USD
View
B
Retailer 12
-
£489 GBP
$656 USD
View
B
Retailer 13
-
£511 GBP
$686 USD
View
B
Retailer 14
-
£641 GBP
$860 USD
View
B
Retailer 15
-
£743 GBP
View
Most Expensive
C
Do Amore Diamonds
27-415D00FDF · Nov 2
£1,118 GBP
$1,500 USD
View
15 more retailers have this diamond
Prices start from £116 GBPSave up to £1,002 GBP

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
£116 GBP