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Marquise|Lab Grown|IGI

5.03ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG850679704

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850679704

Diamond specifications and retailer prices

From £1,355 GBP
$1,816 USD
As of November 1, 2026
Save £2,813 GBP (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,168 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.03ct lab-grown marquise diamond

This 5.03ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG850679704 or 850679704. Listed at 7 retailers as of October 28, 2026, with prices from £1,355 to £4,168, a £2,813 spread on the same certified stone. Rare Carat lists it at £4,168. 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

5.03
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850679704
Dimensions17.15 × 9.15 × 5.52 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.15 mm9.15 mm5.03 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850679704
Side View
Table 63.0%Crown 32.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £4,168 GBP|Low: £1,355 GBP|High: £4,168 GBP|Avg: £2,561 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4£1,355 GBP
Retailer 6£1,511 GBP
Retailer 2£1,533 GBP
Retailer 5£1,947 GBP
Retailer 3£3,411 GBP
Retailer 7£3,702 GBP
Rare Carat£4,168 GBP

6 data points across 7 retailers

7 retailers£1,355 GBP to £4,168 GBP

A
Cheapest Retailer
-
£1,355 GBP
$1,816 USD
B+
Retailer 2
-
£1,511 GBP
$2,025 USD
View
B+
Retailer 3
-
£1,533 GBP
View
B+
Retailer 4
-
£1,947 GBP
$2,609 USD
View
B
Retailer 5
-
£3,411 GBP
View
B
Retailer 6
-
£3,702 GBP
$4,961 USD
View
Most Expensive
B
Rare Carat
25-52-A_l_850679704 · Oct 28
£4,168 GBP
$5,585 USD
View
6 more retailers have this diamond
Prices start from £1,355 GBPSave up to £2,813 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
5.03ct Marquise
£1,355 GBP