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Round|Lab Grown|IGI

3.23ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG497172238

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497172238

Diamond specifications and retailer prices

From £372 GBP
As of November 5, 2026
Save £1,549 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,921 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.23ct lab-grown round diamond

This 3.23ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497172238 or 497172238. Listed at 15 retailers as of November 5, 2026, with prices from £372 to £1,921, a £1,549 spread on the same certified stone. MOH London lists it at £1,921. 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

3.23
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497172238
Dimensions9.55 × 9.58 × 5.80 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.55 mm9.58 mm3.23 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497172238
Side View
Table 58.0%Crown 34°Girdle: UNDPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

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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: Nov 5
Current: £1,921 GBP|Low: £372 GBP|High: £2,120 GBP|Avg: £861 GBP|-9.3%
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 10£372 GBP
Retailer 3£416 GBP
Retailer 13£417 GBP
Retailer 7£461 GBP
Retailer 11£461 GBP
Retailer 8£637 GBP
Retailer 4£648 GBP
Retailer 14£678 GBP
Retailer 2£753 GBP
Retailer 6£858 GBP
Retailer 15£920 GBP
Retailer 5£1,191 GBP
Retailer 12£1,214 GBP
Retailer 9£1,423 GBP
MOH London£1,921 GBP

40 data points across 15 retailers

15 retailers£372 GBP to £1,921 GBP

A
Cheapest Retailer
-
£372 GBP
A
Retailer 2
-
£416 GBP
View
Final sale: no returns
A
Retailer 3
-
£417 GBP
View
A
Retailer 4
-
£461 GBP
View
Retailer 5
-
£461 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£637 GBP
View
B+
Retailer 7
-
£648 GBP
View
A
Retailer 8
-
£678 GBP
View
A
Retailer 9
-
£753 GBP
View
B+
Retailer 10
-
£858 GBP
View
B+
Retailer 11
-
£920 GBP
View
B
Retailer 12
-
£1,191 GBP
View
B+
Retailer 13
-
£1,214 GBP
View
B
Retailer 14
-
£1,423 GBP
View
Most Expensive
B
MOH London
LG497172238 · Nov 5
£1,921 GBP
View
14 more retailers have this diamond
Prices start from £372 GBPSave up to £1,549 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
3.23ct Round
£372 GBP