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Marquise|Lab Grown|IGI

3.03ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG839675073

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839675073

Diamond specifications and retailer prices

From £512 GBP
As of November 2, 2026
Save £2,403 GBP (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,916 GBP at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise 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 LG839675073 or 839675073. Listed at 24 retailers as of November 2, 2026, with a 469% 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 angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839675073
Dimensions15.12 × 7.54 × 4.67 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.12 mm7.54 mm3.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839675073
Side View
Table 62.0%Crown 33.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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 2
Current: £2,916 GBP|Low: £491 GBP|High: £2,916 GBP|Avg: £1,439 GBP
Brilliant Earth
Retailer 2
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Retailer 18
November 4, 2026
Retailer 6£512 GBP
Retailer 9£594 GBP
Retailer 16£687 GBP
Retailer 4£727 GBP
Retailer 3£799 GBP
Retailer 5£850 GBP
Retailer 2£941 GBP
Retailer 15£961 GBP
Retailer 13£1,341 GBP
Retailer 11£1,347 GBP
Retailer 14£1,379 GBP
Retailer 8£1,840 GBP
Retailer 17£1,922 GBP
Retailer 10£2,048 GBP
Retailer 7£2,106 GBP
Retailer 18£2,256 GBP
Retailer 12£2,502 GBP
Brilliant Earth£2,916 GBP

35 data points across 18 retailers

24 retailers£512 GBP to £2,916 GBP

A
Cheapest Retailer
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£512 GBP
A
Retailer 2
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£573 GBP
View
Final sale: no returns
Retailer 3
-
£594 GBP
View
Price last confirmed 23 days ago
A
Retailer 4
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£594 GBP
View
A
Retailer 5
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£687 GBP
View
A
Retailer 6
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£727 GBP
View
A
Retailer 7
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£850 GBP
View
A
Retailer 8
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£941 GBP
View
Retailer 9
-
£961 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£1,092 GBP
View
B+
Retailer 11
-
£1,341 GBP
View
B+
Retailer 12
-
£1,347 GBP
View
B+
Retailer 13
-
£1,379 GBP
View
B
Retailer 14
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£1,670 GBP
View
B
Retailer 15
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£1,840 GBP
View
B+
Retailer 16
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£1,922 GBP
View
B
Retailer 17
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£1,999 GBP
View
B
Retailer 18
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£2,048 GBP
View
B
Retailer 19
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£2,048 GBP
View
Retailer 20
-
£2,106 GBP
View
Price last confirmed 27 days ago
B
Retailer 21
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£2,256 GBP
View
B
Retailer 22
-
£2,502 GBP
View
B
Retailer 23
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£2,916 GBP
View
Most Expensive
Brilliant Earth
21664423A · Oct 10
£2,916 GBP
$3,910 USD
View
Price last confirmed 24 days ago
23 more retailers have this diamond
Prices start from £512 GBPSave up to £2,403 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 Marquise
£512 GBP