CaratHunter
Plans
Round|Lab Grown|IGI

0.90ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG492110236

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492110236

Diamond specifications and retailer prices

From £443 GBP
$590 USD
As of October 29, 2026
Save £1,956 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,399 GBP at MOH London · As of October 26, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492110236 or 492110236. Listed at 11 retailers as of October 26, 2026, with prices from £443 to £2,399, a £1,956 spread on the same certified stone. MOH London lists it at £2,399. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492110236
Dimensions6.21 × 6.18 × 3.85 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.21 mm6.18 mm0.90 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492110236
Side View
Table 53.5%Crown 35°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.2%

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 29
Current: £2,399 GBP|Low: £443 GBP|High: £2,425 GBP|Avg: £893 GBP|-0.9%
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
October 29, 2026
Retailer 8£443 GBP
Retailer 7£490 GBP
Retailer 13£534 GBP
Retailer 11£549 GBP
Retailer 9£569 GBP
Retailer 12£569 GBP
Retailer 4£619 GBP
Retailer 3£909 GBP
Retailer 10£929 GBP
Retailer 2£987 GBP
Retailer 5£1,273 GBP
Retailer 6£1,453 GBP
MOH London£2,399 GBP

18 data points across 13 retailers

11 retailers£443 GBP to £2,399 GBP

A
Cheapest Retailer
-
£443 GBP
$590 USD
A
Retailer 2
-
£490 GBP
$653 USD
View
A
Retailer 3
-
£534 GBP
$711 USD
View
B+
Retailer 4
-
£549 GBP
$731 USD
View
Final sale: no returns
B+
Retailer 5
-
£569 GBP
$758 USD
View
Retailer 6
-
£569 GBP
$758 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£929 GBP
$1,237 USD
View
B
Retailer 8
-
£987 GBP
€1,252 EUR
View
B
Retailer 9
-
£1,453 GBP
$1,935 USD
View
B
Retailer 10
-
£1,599 GBP
$2,130 USD
View
Most Expensive
B
MOH London
LG492110236 · Oct 26
£2,399 GBP
View
10 more retailers have this diamond
Prices start from £443 GBPSave up to £1,956 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 Round
£443 GBP