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Round|Lab Grown|IGI

0.55ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG671433746

Shape and cutting style on the report: Round brilliant

Certificate IGI LG671433746

Diamond specifications and retailer prices

From £82 GBP
As of November 3, 2026
Save £770 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £852 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.55ct lab-grown round diamond

This 0.55ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG671433746 or 671433746. Listed at 14 retailers as of November 3, 2026, with prices from £82 to £852, a £770 spread on the same certified stone. MOH London lists it at £852. 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

0.55
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671433746
Dimensions5.31 × 5.30 × 3.24 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
5.31 mm5.30 mm0.55 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671433746
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.0%

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 3
Current: £852 GBP|Low: £82 GBP|High: £864 GBP|Avg: £229 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
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Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 6, 2026
Retailer 12£82 GBP
Retailer 3£91 GBP
Retailer 9£96 GBP
Retailer 2£109 GBP
Retailer 5£109 GBP
Retailer 10£126 GBP
Retailer 14£145 GBP
Retailer 7£146 GBP
Retailer 11£186 GBP
Retailer 15£201 GBP
Retailer 8£239 GBP
Retailer 6£288 GBP
Retailer 4£329 GBP
Retailer 16£330 GBP
Retailer 13£367 GBP
MOH London£852 GBP

26 data points across 16 retailers

14 retailers£82 GBP to £852 GBP

A
Cheapest Retailer
-
£82 GBP
A
Retailer 2
-
£91 GBP
View
Final sale: no returns
A
Retailer 3
-
£96 GBP
View
A
Retailer 4
-
£109 GBP
View
Retailer 5
-
£109 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£126 GBP
View
A
Retailer 7
-
£145 GBP
View
A
Retailer 8
-
£186 GBP
View
B+
Retailer 9
-
£201 GBP
View
B+
Retailer 10
-
£288 GBP
View
Retailer 11
-
£329 GBP
View
Price last confirmed 13 days ago
B
Retailer 12
-
£330 GBP
View
B
Retailer 13
-
£367 GBP
View
Most Expensive
B
MOH London
LG671433746 · Nov 5
£852 GBP
View
13 more retailers have this diamond
Prices start from £82 GBPSave up to £770 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
0.55ct Round
£82 GBP