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Heart|Lab Grown|IGI

3.03ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG702542619

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG702542619

Diamond specifications and retailer prices

From £284 GBP
As of November 6, 2026
Save £2,197 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,480 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown heart diamond

This 3.03ct lab-grown heart 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 LG702542619 or 702542619. Listed at 16 retailers as of November 6, 2026, with prices from £284 to £2,480, a £2,197 spread on the same certified stone. Brilliant Earth lists it at £2,480. 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 angle35.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702542619
Dimensions8.65 × 9.83 × 6.05 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.65 mm9.83 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702542619
Side View
Table 57.0%Crown 35.2°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £2,480 GBP|Low: £284 GBP|High: £3,541 GBP|Avg: £866 GBP|-30.0%
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
Retailer 14
November 6, 2026
Retailer 11£284 GBP
Retailer 9£318 GBP
Retailer 14£352 GBP
Retailer 6£390 GBP
Retailer 3£463 GBP
Retailer 12£472 GBP
Retailer 2£631 GBP
Retailer 10£637 GBP
Retailer 4£921 GBP
Retailer 8£988 GBP
Retailer 13£1,128 GBP
Retailer 5£1,133 GBP
Retailer 7£1,372 GBP
Brilliant Earth£2,480 GBP

46 data points across 14 retailers

16 retailers£284 GBP to £2,480 GBP

A
Cheapest Retailer
-
£284 GBP
A
Retailer 2
-
£318 GBP
View
A
Retailer 3
-
£352 GBP
View
A
Retailer 4
-
£357 GBP
View
Final sale: no returns
Retailer 5
-
£390 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£463 GBP
View
B+
Retailer 7
-
£472 GBP
View
A
Retailer 8
-
£631 GBP
View
A
Retailer 9
-
£637 GBP
View
B+
Retailer 10
-
£854 GBP
View
B+
Retailer 11
-
£921 GBP
View
B+
Retailer 12
-
£988 GBP
View
B+
Retailer 13
-
£1,128 GBP
View
B+
Retailer 14
-
£1,133 GBP
View
B
Retailer 15
-
£1,372 GBP
View
Most Expensive
B
Brilliant Earth
13998586A · Nov 6
£2,480 GBP
$3,320 USD
View
15 more retailers have this diamond
Prices start from £284 GBPSave up to £2,197 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 Heart
£284 GBP