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Marquise|Lab Grown|IGI

5.01ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG634400457

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG634400457

Diamond specifications and retailer prices

From £681 GBP
$912 USD
As of October 31, 2026
Save £1,963 GBP (74%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,232 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634400457 or 634400457. Listed at 26 retailers as of October 31, 2026, with a 288% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.01
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634400457
Dimensions17.99 × 9.10 × 5.35 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
17.99 mm9.10 mm5.01 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634400457
Side View
Table 61.0%Crown 32.6°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
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: Oct 31
Current: £4,232 GBP|Low: £608 GBP|High: £4,411 GBP|Avg: £1,551 GBP|-4.1%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 9£608 GBP
Retailer 10£661 GBP
Retailer 11£696 GBP
Retailer 4£705 GBP
Retailer 12£776 GBP
Retailer 17£836 GBP
Retailer 15£1,018 GBP
Retailer 13£1,082 GBP
Retailer 7£1,137 GBP
Retailer 5£1,328 GBP
Retailer 3£1,424 GBP
Retailer 14£1,429 GBP
Retailer 19£1,621 GBP
Retailer 6£1,982 GBP
Retailer 16£2,076 GBP
Retailer 8£2,245 GBP
Retailer 18£2,620 GBP
Retailer 2£2,644 GBP
Brilliant Earth£4,232 GBP

33 data points across 19 retailers

26 retailers£681 GBP to £2,644 GBP

Retailer 1
-
£584 GBP
$782 USD
Price last confirmed 27 days ago
Retailer 2
-
£608 GBP
$814 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£661 GBP
$886 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
£681 GBP
$912 USD
View
Final sale: no returns
Retailer 5
-
£696 GBP
$932 USD
View
Price last confirmed 33 days ago
Retailer 6
-
£705 GBP
$945 USD
View
Price last confirmed 27 days ago
Retailer 7
-
£705 GBP
$945 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
£745 GBP
HK$7,800 HKD
View
A
Retailer 9
-
£776 GBP
View
A
Retailer 10
-
£836 GBP
$1,120 USD
View
A
Retailer 11
-
£984 GBP
$1,318 USD
View
A
Retailer 12
-
£1,018 GBP
€1,299 EUR
View
A
Retailer 13
-
£1,082 GBP
View
A
Retailer 14
-
£1,137 GBP
$1,524 USD
View
B+
Retailer 15
-
£1,328 GBP
$1,780 USD
View
Retailer 16
-
£1,424 GBP
ZAR 30,829 ZAR
View
Price last confirmed 17 days ago
B+
Retailer 17
-
£1,429 GBP
A$2,946 AUD
View
B+
Retailer 18
-
£1,621 GBP
$2,172 USD
View
Retailer 19
-
£1,982 GBP
$2,656 USD
View
Price last confirmed 32 days ago
B+
Retailer 20
-
£2,076 GBP
$2,782 USD
View
B
Retailer 21
-
£2,153 GBP
SGD 3,898 SGD
View
B
Retailer 22
-
£2,245 GBP
$3,008 USD
View
B
Retailer 23
-
£2,440 GBP
$3,270 USD
View
B
Retailer 24
-
£2,620 GBP
$3,510 USD
View
B
Retailer 25
-
£2,644 GBP
View
Most Expensive
Brilliant Earth
10225055A · Oct 16
£4,232 GBP
$5,670 USD
View
Price last confirmed 16 days ago
25 more retailers have this diamond
Prices start from £681 GBPSave up to £1,963 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
£681 GBP