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Round|Lab Grown|IGI

3.03ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG831657282

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831657282

Diamond specifications and retailer prices

From £340 GBP
As of November 5, 2026
Save £1,205 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,546 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831657282 or 831657282. Listed at 14 retailers as of November 5, 2026, with prices from £340 to £1,546, a £1,205 spread on the same certified stone. MOH London lists it at £1,546. 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

3.03
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831657282
Dimensions9.38 × 9.35 × 5.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm9.35 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831657282
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 41°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: £1,546 GBP|Low: £330 GBP|High: £1,584 GBP|Avg: £740 GBP|-2.4%
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
November 6, 2026
Retailer 11£340 GBP
Retailer 14£381 GBP
Retailer 3£422 GBP
Retailer 6£426 GBP
Retailer 9£528 GBP
Retailer 7£559 GBP
Retailer 4£646 GBP
Retailer 8£660 GBP
Retailer 2£689 GBP
Retailer 5£702 GBP
Retailer 10£826 GBP
Retailer 13£1,135 GBP
Retailer 12£1,357 GBP
MOH London£1,546 GBP

34 data points across 14 retailers

14 retailers£340 GBP to £1,546 GBP

A
Cheapest Retailer
-
£340 GBP
A
Retailer 2
-
£381 GBP
View
A
Retailer 3
-
£422 GBP
View
Retailer 4
-
£426 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£528 GBP
View
A
Retailer 6
-
£559 GBP
View
Retailer 7
-
£646 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£660 GBP
View
A
Retailer 9
-
£689 GBP
View
Retailer 10
-
£702 GBP
View
Price last confirmed 11 days ago
B+
Retailer 11
-
£826 GBP
View
B+
Retailer 12
-
£1,135 GBP
View
B
Retailer 13
-
£1,357 GBP
View
Most Expensive
B
MOH London
LG831657282 · Nov 5
£1,546 GBP
View
13 more retailers have this diamond
Prices start from £340 GBPSave up to £1,205 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
3.03ct Round
£340 GBP