Marquise|Lab Grown|IGI

4.99ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG841679483

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841679483

Diamond specifications and retailer prices

From £425 GBP
$570 USD
As of November 2, 2026
Save £2,026 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,452 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 4.99ct lab-grown marquise diamond

This 4.99ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841679483 or 841679483. Listed at 18 retailers as of November 1, 2026, with prices from £425 to £2,452, a £2,026 spread on the same certified stone. Rare Carat lists it at £2,452. 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

4.99
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841679483
Dimensions17.55 × 8.80 × 5.57 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
17.55 mm8.80 mm4.99 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841679483
Side View
Table 57.0%Crown 33.4°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 63.3%

Caratlytics Score

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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: Nov 2
Current: £2,452 GBP|Low: £425 GBP|High: £2,468 GBP|Avg: £1,228 GBP|-0.3%
Rare Carat
Retailer 2
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 14£425 GBP
Retailer 6£528 GBP
Retailer 10£582 GBP
Retailer 17£583 GBP
Retailer 7£627 GBP
Retailer 13£708 GBP
Retailer 9£801 GBP
Retailer 15£1,058 GBP
Retailer 8£1,079 GBP
Retailer 11£1,117 GBP
Retailer 12£1,225 GBP
Retailer 5£1,535 GBP
Retailer 16£1,697 GBP
Retailer 4£1,710 GBP
Retailer 2£2,292 GBP
Retailer 3£2,370 GBP
Rare Carat£2,452 GBP

29 data points across 17 retailers

18 retailers£425 GBP to £2,452 GBP

A
Cheapest Retailer
-
£425 GBP
$570 USD
A
Retailer 2
-
£528 GBP
$707 USD
View
Retailer 3
-
£549 GBP
$735 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£582 GBP
View
A
Retailer 5
-
£583 GBP
HK$6,100 HKD
View
A
Retailer 6
-
£627 GBP
$840 USD
View
B+
Retailer 7
-
£708 GBP
$948 USD
View
A
Retailer 8
-
£801 GBP
€1,022 EUR
View
A
Retailer 9
-
£1,058 GBP
A$2,180 AUD
View
A
Retailer 10
-
£1,079 GBP
ZAR 23,347 ZAR
View
A
Retailer 11
-
£1,117 GBP
$1,497 USD
View
A
Retailer 12
-
£1,225 GBP
$1,642 USD
View
A
Retailer 13
-
£1,535 GBP
View
B+
Retailer 14
-
£1,697 GBP
SGD 3,073 SGD
View
B+
Retailer 15
-
£1,710 GBP
$2,291 USD
View
B+
Retailer 16
-
£2,292 GBP
View
B+
Retailer 17
-
£2,370 GBP
$3,175 USD
View
Most Expensive
B+
Rare Carat
AJ-00060800 · Nov 1
£2,452 GBP
$3,285 USD
View
17 more retailers have this diamond
Prices start from £425 GBPSave up to £2,026 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
4.99ct Marquise
£425 GBP