Marquise|Lab Grown|IGI

5.07ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG843654551

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843654551

Diamond specifications and retailer prices

From £449 GBP
$602 USD
As of October 30, 2026
Save £2,066 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,515 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.07ct lab-grown marquise diamond

This 5.07ct 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 LG843654551 or 843654551. Listed at 18 retailers as of October 28, 2026, with prices from £449 to £2,515, a £2,066 spread on the same certified stone. Rare Carat lists it at £2,515. 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

5.07
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843654551
Dimensions17.76 × 8.93 × 5.53 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.76 mm8.93 mm5.07 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843654551
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.9%

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: £2,515 GBP|Low: £449 GBP|High: £2,608 GBP|Avg: £1,331 GBP
Rare Carat
Retailer 2
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Retailer 18
November 1, 2026
Retailer 17£449 GBP
Retailer 2£503 GBP
Retailer 7£557 GBP
Retailer 11£574 GBP
Retailer 3£621 GBP
Retailer 8£653 GBP
Retailer 16£746 GBP
Retailer 15£819 GBP
Retailer 18£1,056 GBP
Retailer 10£1,099 GBP
Retailer 13£1,182 GBP
Retailer 14£1,214 GBP
Retailer 12£1,465 GBP
Retailer 4£1,793 GBP
Retailer 6£1,802 GBP
Retailer 9£2,291 GBP
Retailer 5£2,508 GBP
Rare Carat£2,515 GBP

5 data points across 18 retailers

18 retailers£449 GBP to £2,515 GBP

A
Cheapest Retailer
-
£449 GBP
$602 USD
A
Retailer 2
-
£503 GBP
$674 USD
View
A
Retailer 3
-
£557 GBP
$746 USD
View
A
Retailer 4
-
£574 GBP
View
A
Retailer 5
-
£621 GBP
HK$6,500 HKD
View
A
Retailer 6
-
£653 GBP
$875 USD
View
B+
Retailer 7
-
£746 GBP
$1,000 USD
View
A
Retailer 8
-
£819 GBP
$1,098 USD
View
A
Retailer 9
-
£1,056 GBP
A$2,176 AUD
View
A
Retailer 10
-
£1,099 GBP
ZAR 23,791 ZAR
View
B+
Retailer 11
-
£1,182 GBP
$1,584 USD
View
A
Retailer 12
-
£1,214 GBP
$1,626 USD
View
B+
Retailer 13
-
£1,465 GBP
$1,963 USD
View
B+
Retailer 14
-
£1,793 GBP
SGD 3,246 SGD
View
B+
Retailer 15
-
£1,802 GBP
$2,414 USD
View
B
Retailer 16
-
£2,291 GBP
View
B
Retailer 17
-
£2,508 GBP
$3,360 USD
View
Most Expensive
B
Rare Carat
AJ-00067800 · Oct 28
£2,515 GBP
$3,370 USD
View
17 more retailers have this diamond
Prices start from £449 GBPSave up to £2,066 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
5.07ct Marquise
£449 GBP