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Marquise|Lab Grown|IGI

3.03ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG842630199

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842630199

Diamond specifications and retailer prices

From £427 GBP
As of November 2, 2026
Save £2,489 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,916 GBP at Brilliant Earth · As of November 3, 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 very-good cut grade and certified by IGI LG842630199 or 842630199. Listed at 23 retailers as of November 2, 2026, with prices from £427 to £2,916, a £2,489 spread on the same certified stone. Brilliant Earth lists it at £2,916. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842630199
Dimensions14.78 × 7.57 × 4.75 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.78 mm7.57 mm3.03 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842630199
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 2
Current: £1,688 GBP|Low: £427 GBP|High: £2,466 GBP|Avg: £1,128 GBP|-4.6%
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November 4, 2026
Retailer 10£427 GBP
Retailer 7£477 GBP
Retailer 21£478 GBP
Retailer 3£529 GBP
Retailer 15£562 GBP
Retailer 16£626 GBP
Retailer 17£661 GBP
Retailer 8£727 GBP
Retailer 2£734 GBP
Retailer 12£817 GBP
Retailer 11£889 GBP
Retailer 5£1,064 GBP
Retailer 9£1,125 GBP
Retailer 19£1,148 GBP
Retailer 20£1,312 GBP
Retailer 4£1,391 GBP
Retailer 14£1,636 GBP
Retailer 1£1,688 GBP
Retailer 6£1,714 GBP
Retailer 22£1,775 GBP
Retailer 13£2,256 GBP
Retailer 18£2,296 GBP

23 data points across 22 retailers

23 retailers£427 GBP to £2,916 GBP

A
Cheapest Retailer
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£427 GBP
A
Retailer 2
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£477 GBP
View
Final sale: no returns
A
Retailer 3
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£478 GBP
View
A
Retailer 4
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£529 GBP
View
Retailer 5
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£562 GBP
View
Price last confirmed 19 days ago
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Retailer 6
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£626 GBP
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Retailer 7
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£661 GBP
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A
Retailer 8
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£727 GBP
View
A
Retailer 9
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£734 GBP
View
A
Retailer 10
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£817 GBP
View
Retailer 11
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£889 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
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£1,064 GBP
View
B+
Retailer 13
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£1,125 GBP
View
B+
Retailer 14
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£1,148 GBP
View
B+
Retailer 15
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£1,312 GBP
View
B+
Retailer 16
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£1,391 GBP
View
Retailer 17
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£1,636 GBP
View
Price last confirmed 16 days ago
B
Retailer 18
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£1,688 GBP
View
B
Retailer 19
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£1,714 GBP
View
B
Retailer 20
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£1,775 GBP
View
B
Retailer 21
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£2,256 GBP
View
B
Retailer 22
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£2,296 GBP
View
Most Expensive
B
Brilliant Earth
21702647A · Nov 3
£2,916 GBP
$3,910 USD
View
22 more retailers have this diamond
Prices start from £427 GBPSave up to £2,489 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
£427 GBP