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Round|Lab Grown|IGI

3.00ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG666413572

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666413572

Diamond specifications and retailer prices

From £324 GBP
As of November 5, 2026
Save £1,150 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,474 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct 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 LG666413572 or 666413572. Listed at 11 retailers as of November 1, 2026, with prices from £324 to £1,474, a £1,150 spread on the same certified stone. MOH London lists it at £1,474. 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

3.00
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666413572
Dimensions9.40 × 9.37 × 5.66 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm9.37 mm3.00 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666413572
Side View
Table 55.0%Crown 33.6°Girdle: MediumPavilion 40.3°Culet: NoneDepth 60.3%

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: £1,474 GBP|Low: £311 GBP|High: £1,538 GBP|Avg: £728 GBP|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5£324 GBP
Retailer 8£363 GBP
Retailer 3£401 GBP
Retailer 10£401 GBP
Retailer 7£623 GBP
Retailer 11£630 GBP
Retailer 2£654 GBP
Retailer 9£796 GBP
Retailer 4£1,126 GBP
Retailer 6£1,290 GBP
MOH London£1,474 GBP

45 data points across 11 retailers

11 retailers£324 GBP to £1,474 GBP

A
Cheapest Retailer
-
£324 GBP
A
Retailer 2
-
£363 GBP
View
Retailer 3
-
£401 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£401 GBP
View
A
Retailer 5
-
£623 GBP
View
B+
Retailer 6
-
£630 GBP
View
A
Retailer 7
-
£654 GBP
View
B+
Retailer 8
-
£796 GBP
View
B
Retailer 9
-
£1,126 GBP
View
B
Retailer 10
-
£1,290 GBP
View
Most Expensive
B
MOH London
LG666413572 · Nov 1
£1,474 GBP
View
10 more retailers have this diamond
Prices start from £324 GBPSave up to £1,150 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
3.00ct Round
£324 GBP