Marquise|Lab Grown|IGI

5.03ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG844637258

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844637258

Diamond specifications and retailer prices

From £669 GBP
HK$7,000 HKD
As of November 1, 2026
Save £2,212 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,881 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 top-tier cut grade and certified by IGI LG844637258 or 844637258. Listed at 19 retailers as of October 31, 2026, with prices from £669 to £2,881, a £2,212 spread on the same certified stone. Brilliant Earth lists it at £2,881. 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

5.03
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844637258
Dimensions16.90 × 9.04 × 5.57 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
16.90 mm9.04 mm5.03 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844637258
Side View
Table 60.0%Crown 37.9°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,945 GBP|Low: £502 GBP|High: £2,764 GBP|Avg: £1,344 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 4£502 GBP
Retailer 10£547 GBP
Retailer 6£562 GBP
Retailer 18£583 GBP
Retailer 13£669 GBP
Retailer 19£716 GBP
Retailer 3£869 GBP
Retailer 14£903 GBP
Retailer 7£950 GBP
Retailer 16£1,173 GBP
Retailer 5£1,214 GBP
Retailer 2£1,489 GBP
Retailer 17£1,639 GBP
Retailer 9£1,924 GBP
Retailer 1£1,945 GBP
Retailer 11£2,011 GBP
Retailer 15£2,459 GBP
Retailer 8£2,493 GBP
Retailer 12£2,732 GBP

9 data points across 19 retailers

19 retailers£669 GBP to £2,881 GBP

Retailer 1
-
£502 GBP
$673 USD
Price last confirmed 9 days ago
Retailer 2
-
£547 GBP
$733 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£583 GBP
$781 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£669 GBP
HK$7,000 HKD
View
A
Retailer 5
-
£716 GBP
$960 USD
View
A
Retailer 6
-
£869 GBP
$1,164 USD
View
A
Retailer 7
-
£903 GBP
€1,152 EUR
View
B+
Retailer 8
-
£950 GBP
$1,273 USD
View
Retailer 9
-
£1,173 GBP
ZAR 25,397 ZAR
View
Price last confirmed 8 days ago
A
Retailer 10
-
£1,214 GBP
$1,627 USD
View
B+
Retailer 11
-
£1,489 GBP
$1,995 USD
View
Retailer 12
-
£1,639 GBP
$2,196 USD
View
Price last confirmed 7 days ago
Retailer 13
-
£1,924 GBP
$2,578 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£1,945 GBP
SGD 3,521 SGD
View
B+
Retailer 15
-
£2,011 GBP
$2,694 USD
View
B
Retailer 16
-
£2,459 GBP
View
B
Retailer 17
-
£2,493 GBP
$3,340 USD
View
B
Retailer 18
-
£2,732 GBP
$3,661 USD
View
Most Expensive
B
Brilliant Earth
22219282A · Oct 31
£2,881 GBP
$3,860 USD
View
18 more retailers have this diamond
Prices start from £669 GBPSave up to £2,212 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
£669 GBP