Marquise|Lab Grown|IGI

5.20ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG835603076

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835603076

Diamond specifications and retailer prices

From £851 GBP
$1,140 USD
As of October 31, 2026
Save £4,971 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,821 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.2ct lab-grown marquise diamond

This 5.2ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835603076 or 835603076. Listed at 11 retailers as of October 31, 2026, with prices from £851 to £5,821, a £4,971 spread on the same certified stone. Do Amore Diamonds lists it at £5,821. 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

5.20
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835603076
Dimensions18.26 × 9.07 × 5.59 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.26 mm9.07 mm5.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835603076
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.6%

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 31
Current: £5,821 GBP|Low: £836 GBP|High: £9,046 GBP|Avg: £2,970 GBP|-0.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6£851 GBP
Retailer 3£1,022 GBP
Retailer 11£1,222 GBP
Retailer 7£1,444 GBP
Retailer 8£1,692 GBP
Retailer 2£1,702 GBP
Retailer 5£2,862 GBP
Retailer 9£2,947 GBP
Retailer 10£4,090 GBP
Retailer 4£4,560 GBP
Do Amore Diamonds£5,821 GBP

15 data points across 11 retailers

11 retailers£851 GBP to £5,821 GBP

A
Cheapest Retailer
-
£851 GBP
$1,140 USD
A
Retailer 2
-
£1,022 GBP
HK$10,700 HKD
View
A
Retailer 3
-
£1,222 GBP
$1,637 USD
View
A
Retailer 4
-
£1,444 GBP
$1,935 USD
View
B+
Retailer 5
-
£1,692 GBP
$2,267 USD
View
B+
Retailer 6
-
£1,702 GBP
A$3,508 AUD
View
B+
Retailer 7
-
£2,862 GBP
View
B
Retailer 8
-
£2,947 GBP
SGD 5,336 SGD
View
B
Retailer 9
-
£4,090 GBP
$5,480 USD
View
B
Retailer 10
-
£4,560 GBP
$6,110 USD
View
Most Expensive
B
Do Amore Diamonds
27-FF58CF13A · Oct 31
£5,821 GBP
$7,800 USD
View
10 more retailers have this diamond
Prices start from £851 GBPSave up to £4,971 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
5.20ct Marquise
£851 GBP