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Marquise|Lab Grown|IGI

5.01ct G SI1 Marquise Lab Grown Diamond

VG • G/SI1 • IGI LG825654621

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654621

Diamond specifications and retailer prices

From £566 GBP
$758 USD
As of October 30, 2026
Save £2,167 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,733 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 5.01ct lab-grown marquise diamond

This 5.01ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825654621 or 825654621. Listed at 17 retailers as of October 30, 2026, with prices from £566 to £2,733, a £2,167 spread on the same certified stone. Adiamor lists it at £2,733. 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

5.01
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654621
Dimensions18.05 × 9.18 × 5.52 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.05 mm9.18 mm5.01 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654621
Side View
Table 64.0%Crown 33.3°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.1%

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: Oct 30
Current: £2,733 GBP|Low: £549 GBP|High: £2,738 GBP|Avg: £1,337 GBP|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
November 1, 2026
Retailer 4£566 GBP
Retailer 3£615 GBP
Retailer 6£633 GBP
Retailer 16£656 GBP
Retailer 9£663 GBP
Retailer 10£745 GBP
Retailer 15£787 GBP
Retailer 13£993 GBP
Retailer 11£1,005 GBP
Retailer 14£1,061 GBP
Retailer 12£1,440 GBP
Retailer 17£1,844 GBP
Retailer 8£2,176 GBP
Retailer 5£2,205 GBP
Retailer 7£2,264 GBP
Retailer 2£2,459 GBP
Adiamor£2,733 GBP

29 data points across 17 retailers

17 retailers£566 GBP to £2,733 GBP

A
Cheapest Retailer
-
£566 GBP
$758 USD
A
Retailer 2
-
£615 GBP
$824 USD
View
A
Retailer 3
-
£633 GBP
$848 USD
View
Final sale: no returns
A
Retailer 4
-
£656 GBP
$879 USD
View
Retailer 5
-
£663 GBP
$888 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£745 GBP
View
A
Retailer 7
-
£787 GBP
$1,055 USD
View
B+
Retailer 8
-
£993 GBP
$1,331 USD
View
B+
Retailer 9
-
£1,005 GBP
View
B+
Retailer 10
-
£1,061 GBP
$1,422 USD
View
B
Retailer 11
-
£1,440 GBP
$1,930 USD
View
B
Retailer 12
-
£1,844 GBP
$2,471 USD
View
B
Retailer 13
-
£2,176 GBP
$2,915 USD
View
B
Retailer 14
-
£2,205 GBP
SGD 3,992 SGD
View
B
Retailer 15
-
£2,264 GBP
$3,034 USD
View
B
Retailer 16
-
£2,459 GBP
View
Most Expensive
B
Adiamor
D-82285782 · Oct 31
£2,733 GBP
$3,662 USD
View
16 more retailers have this diamond
Prices start from £566 GBPSave up to £2,167 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
5.01ct Marquise
£566 GBP