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Marquise|Lab Grown|IGI

5.03ct H VS1 Marquise Lab Grown Diamond

VG • H/VS1 • IGI LG689546575

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG689546575

Diamond specifications and retailer prices

From £729 GBP
As of October 26, 2026
Save £1,554 GBP (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,283 GBP at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 5.03ct lab-grown marquise diamond

This 5.03ct lab-grown marquise sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG689546575 or 689546575. Listed at 10 retailers as of October 26, 2026, with prices from £729 to £2,283, a £1,554 spread on the same certified stone. Taylor and Hart lists it at £2,283. 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
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.2°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689546575
Dimensions18.26 × 9.05 × 5.08 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.26 mm9.05 mm5.03 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG689546575
Side View
Table 63.0%Crown 32.2°Girdle: STK-THKPavilion 36.6°Culet: NoneDepth 56.1%

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: Oct 26
Current: £1,573 GBP|Low: £534 GBP|High: £5,665 GBP|Avg: £1,870 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 26, 2026
Retailer 2£534 GBP
Retailer 13£570 GBP
Retailer 11£620 GBP
Retailer 8£661 GBP
Retailer 6£729 GBP
Retailer 7£791 GBP
Retailer 10£999 GBP
Retailer 12£1,237 GBP
Retailer 1£1,573 GBP
Retailer 9£1,859 GBP
Retailer 3£2,013 GBP
Taylor and Hart£2,283 GBP
Retailer 5£3,764 GBP
Retailer 4£5,665 GBP

4 data points across 14 retailers

10 retailers£729 GBP to £2,283 GBP

Retailer 1
-
£570 GBP
$764 USD
Price last confirmed 9 days ago
Retailer 2
-
£620 GBP
$831 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£661 GBP
$886 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£729 GBP
View
Retailer 5
-
£791 GBP
$1,060 USD
View
Price last confirmed 6 days ago
B+
Retailer 6
-
£999 GBP
$1,338 USD
View
B+
Retailer 7
-
£1,237 GBP
$1,658 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£1,573 GBP
$2,107 USD
View
Retailer 9
-
£1,859 GBP
$2,491 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Taylor and Hart
A7FBTWU · Oct 26
£2,283 GBP
$3,058 USD
View
9 more retailers have this diamond
Prices start from £729 GBPSave up to £1,554 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
£729 GBP