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Round|Lab Grown|IGI

3.02ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG762520487

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762520487

Diamond specifications and retailer prices

From £291 GBP
As of November 5, 2026
Save £1,618 GBP (85%) vs most expensive(unlock to see where)
21 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 LG762520487 or 762520487. Listed at 21 retailers as of November 5, 2026, with prices from £291 to £1,909, a £1,618 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 angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762520487
Dimensions9.28 × 9.32 × 5.69 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
9.28 mm9.32 mm3.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762520487
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

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: £291 GBP|High: £2,259 GBP|Avg: £849 GBP|-15.5%
Brilliant Earth
Retailer 2
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Retailer 21
November 6, 2026
Retailer 8£291 GBP
Retailer 17£325 GBP
Retailer 5£326 GBP
Retailer 7£361 GBP
Retailer 21£361 GBP
Retailer 3£399 GBP
Retailer 20£472 GBP
Retailer 10£484 GBP
Retailer 16£578 GBP
Retailer 2£581 GBP
Retailer 6£643 GBP
Retailer 4£805 GBP
Retailer 18£854 GBP
Retailer 19£931 GBP
Retailer 14£1,149 GBP
Retailer 11£1,162 GBP
Retailer 9£1,189 GBP
Retailer 12£1,343 GBP
Retailer 13£1,407 GBP
Retailer 15£1,445 GBP
Brilliant Earth£1,909 GBP

40 data points across 21 retailers

21 retailers£291 GBP to £1,909 GBP

A
Cheapest Retailer
-
£291 GBP
A
Retailer 2
-
£325 GBP
View
Final sale: no returns
A
Retailer 3
-
£326 GBP
View
A
Retailer 4
-
£361 GBP
View
Retailer 5
-
£361 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£399 GBP
View
A
Retailer 7
-
£472 GBP
View
B+
Retailer 8
-
£484 GBP
View
A
Retailer 9
-
£578 GBP
View
A
Retailer 10
-
£581 GBP
View
A
Retailer 11
-
£643 GBP
View
B+
Retailer 12
-
£805 GBP
View
B+
Retailer 13
-
£854 GBP
View
B+
Retailer 14
-
£931 GBP
View
B+
Retailer 15
-
£1,149 GBP
View
B+
Retailer 16
-
£1,162 GBP
View
B
Retailer 17
-
£1,189 GBP
View
B
Retailer 18
-
£1,343 GBP
View
B
Retailer 19
-
£1,407 GBP
View
B
Retailer 20
-
£1,445 GBP
View
Most Expensive
B
Brilliant Earth
17873870A · Nov 5
£1,909 GBP
$2,570 USD
View
20 more retailers have this diamond
Prices start from £291 GBPSave up to £1,618 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
£291 GBP