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Round|Lab Grown|IGI

0.90ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG529255700

Shape and cutting style on the report: Round brilliant

Certificate IGI LG529255700

Diamond specifications and retailer prices

From £396 GBP
$530 USD
As of October 30, 2026
Save £2,179 GBP (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,574 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529255700 or 529255700. Listed at 4 retailers as of October 29, 2026, with prices from £396 to £2,574, a £2,179 spread on the same certified stone. MOH London lists it at £2,574. 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

0.90
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529255700
Dimensions6.28 × 6.24 × 3.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.28 mm6.24 mm0.90 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529255700
Side View
Table 58.0%Crown 34°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,574 GBP|Low: £396 GBP|High: £2,591 GBP|Avg: £1,320 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£396 GBP
Retailer 6£770 GBP
Retailer 5£1,052 GBP
Retailer 4£1,102 GBP
Retailer 3£1,179 GBP
MOH London£2,574 GBP

15 data points across 6 retailers

4 retailers£396 GBP to £2,574 GBP

B+
Cheapest Retailer
-
£396 GBP
$530 USD
B
Retailer 2
-
£1,102 GBP
$1,477 USD
View
B
Retailer 3
-
£1,179 GBP
€1,504 EUR
View
Most Expensive
B
MOH London
LG529255700 · Oct 29
£2,574 GBP
View
3 more retailers have this diamond
Prices start from £396 GBPSave up to £2,179 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.

B+
0.90ct Round
£396 GBP