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Heart|Lab Grown|IGI

3.03ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG742509135

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742509135

Diamond specifications and retailer prices

From £396 GBP
$531 USD
As of October 30, 2026
Save £1,666 GBP (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,821 GBP at Brilliant Earth · As of October 30, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG742509135 or 742509135. Listed at 21 retailers as of October 29, 2026, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742509135
Dimensions9.36 × 10.06 × 5.93 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.36 mm10.06 mm3.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742509135
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 58.9%

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: Oct 30
Current: £4,821 GBP|Low: £396 GBP|High: £4,971 GBP|Avg: £1,180 GBP|-2.9%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 20£396 GBP
Retailer 9£443 GBP
Retailer 5£444 GBP
Retailer 3£492 GBP
Retailer 4£492 GBP
Retailer 18£593 GBP
Retailer 14£640 GBP
Retailer 6£756 GBP
Retailer 10£761 GBP
Retailer 13£765 GBP
Retailer 15£775 GBP
Retailer 2£1,038 GBP
Retailer 7£1,055 GBP
Retailer 17£1,067 GBP
Retailer 19£1,268 GBP
Retailer 21£1,293 GBP
Retailer 8£1,597 GBP
Retailer 11£1,679 GBP
Retailer 12£1,823 GBP
Retailer 16£2,062 GBP
Brilliant Earth£4,821 GBP

37 data points across 21 retailers

21 retailers£396 GBP to £2,062 GBP

A
Cheapest Retailer
-
£396 GBP
$531 USD
A
Retailer 2
-
£443 GBP
$594 USD
View
Final sale: no returns
A
Retailer 3
-
£444 GBP
$595 USD
View
A
Retailer 4
-
£492 GBP
$659 USD
View
Retailer 5
-
£492 GBP
$659 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£593 GBP
$795 USD
View
Retailer 7
-
£640 GBP
View
Price last confirmed 22 days ago
A
Retailer 8
-
£756 GBP
$1,013 USD
View
A
Retailer 9
-
£761 GBP
$1,019 USD
View
A
Retailer 10
-
£765 GBP
View
A
Retailer 11
-
£775 GBP
€989 EUR
View
B+
Retailer 12
-
£1,038 GBP
A$2,140 AUD
View
B+
Retailer 13
-
£1,055 GBP
$1,413 USD
View
B+
Retailer 14
-
£1,067 GBP
ZAR 23,107 ZAR
View
B+
Retailer 15
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£1,268 GBP
$1,699 USD
View
B+
Retailer 16
-
£1,293 GBP
$1,732 USD
View
B+
Retailer 17
-
£1,597 GBP
$2,140 USD
View
B+
Retailer 18
-
£1,679 GBP
$2,250 USD
View
B
Retailer 19
-
£1,823 GBP
$2,443 USD
View
B
Retailer 20
-
£2,062 GBP
View
Most Expensive
Brilliant Earth
16173873A · Oct 30
£4,821 GBP
$6,460 USD
View
Price under review
20 more retailers have this diamond
Prices start from £396 GBPSave up to £1,666 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
£396 GBP