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Round|Lab Grown|IGI

1.32ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG490175090

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490175090

Diamond specifications and retailer prices

From £751 GBP
As of November 5, 2026
Save £1,069 GBP (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,946 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.32ct lab-grown round diamond

This 1.32ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490175090 or 490175090. Listed at 13 retailers as of November 4, 2026, with a 142% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.32
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490175090
Dimensions7.13 × 7.10 × 4.24 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
7.13 mm7.10 mm1.32 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490175090
Side View
Table 58.5%Crown 33°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,946 GBP|Low: £721 GBP|High: £2,994 GBP|Avg: £1,358 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£751 GBP
Retailer 5£770 GBP
Retailer 8£840 GBP
Retailer 6£871 GBP
Retailer 3£1,230 GBP
Retailer 7£1,391 GBP
Retailer 2£1,623 GBP
MOH London£2,946 GBP

45 data points across 8 retailers

13 retailers£751 GBP to £1,820 GBP

B
Cheapest Retailer
-
£751 GBP
B
Retailer 2
-
£770 GBP
View
B
Retailer 3
-
£817 GBP
View
B
Retailer 4
-
£840 GBP
View
Final sale: no returns
Retailer 5
-
£871 GBP
View
Price last confirmed 25 days ago
B
Retailer 6
-
£871 GBP
View
B
Retailer 7
-
£1,001 GBP
View
B
Retailer 8
-
£1,230 GBP
View
B
Retailer 9
-
£1,391 GBP
View
B
Retailer 10
-
£1,623 GBP
View
B
Retailer 11
-
£1,632 GBP
View
B
Retailer 12
-
£1,820 GBP
View
Most Expensive
MOH London
LG490175090 · Nov 5
£2,946 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £751 GBPSave up to £1,069 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
1.32ct Round
£751 GBP