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Round|Lab Grown|IGI

3.02ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG788632853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788632853

Diamond specifications and retailer prices

From £292 GBP
As of November 5, 2026
Save £1,617 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,909 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.02ct lab-grown round diamond

This 3.02ct 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 LG788632853 or 788632853. Listed at 11 retailers as of November 5, 2026, with prices from £292 to £1,909, a £1,617 spread on the same certified stone. Brilliant Earth lists it at £1,909. 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

3.02
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788632853
Dimensions9.34 × 9.28 × 5.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.34 mm9.28 mm3.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788632853
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.4%

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: £1,909 GBP|Low: £267 GBP|High: £1,976 GBP|Avg: £903 GBP|-3.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 9£292 GBP
Retailer 7£327 GBP
Retailer 2£480 GBP
Retailer 10£560 GBP
Retailer 4£591 GBP
Retailer 13£634 GBP
Retailer 12£986 GBP
Retailer 11£988 GBP
Retailer 6£1,163 GBP
Retailer 5£1,164 GBP
Retailer 3£1,395 GBP
Retailer 8£1,409 GBP
Brilliant Earth£1,909 GBP

38 data points across 13 retailers

11 retailers£292 GBP to £1,909 GBP

A
Cheapest Retailer
-
£292 GBP
A
Retailer 2
-
£327 GBP
View
A
Retailer 3
-
£480 GBP
View
Retailer 4
-
£560 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£634 GBP
View
B
Retailer 6
-
£986 GBP
View
B
Retailer 7
-
£988 GBP
View
B
Retailer 8
-
£1,163 GBP
View
Retailer 9
-
£1,395 GBP
View
Price last confirmed 24 days ago
B
Retailer 10
-
£1,409 GBP
View
Most Expensive
B
Brilliant Earth
20805433A · Nov 5
£1,909 GBP
$2,570 USD
View
10 more retailers have this diamond
Prices start from £292 GBPSave up to £1,617 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
3.02ct Round
£292 GBP