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Marquise|Lab Grown|IGI

4.58ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG768654931

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768654931

Diamond specifications and retailer prices

From £587 GBP
$788 USD
As of November 2, 2026
Save £3,258 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,845 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.58ct lab-grown marquise diamond

This 4.58ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768654931 or 768654931. Listed at 22 retailers as of November 2, 2026, with prices from £587 to £3,845, a £3,258 spread on the same certified stone. Brilliant Earth lists it at £3,845. 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

4.58
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768654931
Dimensions18.49 × 8.64 × 5.15 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.49 mm8.64 mm4.58 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768654931
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.6%

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: £3,845 GBP|Low: £564 GBP|High: £3,868 GBP|Avg: £1,587 GBP|-0.6%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 2, 2026
Retailer 18£587 GBP
Retailer 7£639 GBP
Retailer 4£682 GBP
Retailer 16£812 GBP
Retailer 9£1,004 GBP
Retailer 3£1,022 GBP
Retailer 11£1,045 GBP
Retailer 14£1,057 GBP
Retailer 15£1,451 GBP
Retailer 13£1,460 GBP
Retailer 2£1,492 GBP
Retailer 6£1,916 GBP
Retailer 10£2,112 GBP
Retailer 8£2,292 GBP
Retailer 5£2,304 GBP
Retailer 12£2,554 GBP
Retailer 17£2,694 GBP
Brilliant Earth£3,845 GBP

43 data points across 18 retailers

22 retailers£587 GBP to £3,845 GBP

A
Cheapest Retailer
-
£587 GBP
$788 USD
A
Retailer 2
-
£639 GBP
$858 USD
View
Retailer 3
-
£682 GBP
$915 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£682 GBP
$915 USD
View
A
Retailer 5
-
£812 GBP
$1,090 USD
View
A
Retailer 6
-
£1,004 GBP
$1,347 USD
View
B+
Retailer 7
-
£1,022 GBP
$1,372 USD
View
A
Retailer 8
-
£1,045 GBP
View
A
Retailer 9
-
£1,057 GBP
€1,351 EUR
View
B+
Retailer 10
-
£1,374 GBP
$1,844 USD
View
B+
Retailer 11
-
£1,451 GBP
ZAR 31,446 ZAR
View
B+
Retailer 12
-
£1,460 GBP
A$3,015 AUD
View
B+
Retailer 13
-
£1,492 GBP
$2,002 USD
View
B+
Retailer 14
-
£1,916 GBP
$2,571 USD
View
B+
Retailer 15
-
£2,112 GBP
View
B
Retailer 16
-
£2,292 GBP
SGD 4,157 SGD
View
B
Retailer 17
-
£2,304 GBP
$3,092 USD
View
B
Retailer 18
-
£2,356 GBP
$3,162 USD
View
B
Retailer 19
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£2,554 GBP
View
B
Retailer 20
-
£2,694 GBP
$3,615 USD
View
B
Retailer 21
-
£3,318 GBP
$4,452 USD
View
Most Expensive
B
Brilliant Earth
20229513A · Nov 2
£3,845 GBP
$5,160 USD
View
21 more retailers have this diamond
Prices start from £587 GBPSave up to £3,258 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
4.58ct Marquise
£587 GBP