Marquise|Lab Grown|IGI

5.02ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG840648320

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840648320

Diamond specifications and retailer prices

From £687 GBP
$921 USD
As of October 24, 2026
Save £2,818 GBP (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,714 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 5.02ct lab-grown marquise diamond

This 5.02ct 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 LG840648320 or 840648320. Listed at 22 retailers as of October 24, 2026, with a 410% 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

5.02
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840648320
Dimensions17.16 × 8.80 × 5.59 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.16 mm8.80 mm5.02 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840648320
Side View
Table 58.0%Crown 38.9°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 63.5%

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: Oct 24
Current: £1,301 GBP|Low: £631 GBP|High: £3,555 GBP|Avg: £1,636 GBP|+14.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 22
October 27, 2026
Retailer 2£631 GBP
Retailer 19£687 GBP
Retailer 3£708 GBP
Retailer 9£733 GBP
Retailer 13£740 GBP
Retailer 16£794 GBP
Retailer 17£884 GBP
Retailer 22£1,066 GBP
Retailer 12£1,135 GBP
Retailer 4£1,178 GBP
Retailer 1£1,301 GBP
Retailer 20£1,475 GBP
Retailer 10£1,490 GBP
Retailer 5£1,684 GBP
Retailer 11£1,725 GBP
Retailer 7£2,060 GBP
Retailer 14£2,323 GBP
Retailer 6£2,540 GBP
Retailer 18£2,750 GBP
Retailer 8£2,895 GBP
Retailer 15£2,967 GBP
Retailer 21£3,506 GBP

20 data points across 22 retailers

22 retailers£687 GBP to £3,506 GBP

Retailer 1
-
£631 GBP
$846 USD
Price last confirmed 8 days ago
A
Retailer 2
-
£687 GBP
$921 USD
View
A
Retailer 3
-
£733 GBP
$982 USD
View
Retailer 4
-
£740 GBP
$991 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£794 GBP
View
A
Retailer 6
-
£884 GBP
$1,185 USD
View
A
Retailer 7
-
£1,066 GBP
$1,428 USD
View
A
Retailer 8
-
£1,135 GBP
View
Retailer 9
-
£1,178 GBP
$1,579 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
£1,301 GBP
€1,660 EUR
View
Retailer 11
-
£1,475 GBP
ZAR 31,922 ZAR
View
Price last confirmed 7 days ago
Retailer 12
-
£1,490 GBP
A$3,072 AUD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
£1,684 GBP
$2,257 USD
View
B+
Retailer 14
-
£1,725 GBP
$2,311 USD
View
B+
Retailer 15
-
£2,060 GBP
$2,760 USD
View
B+
Retailer 16
-
£2,323 GBP
$3,113 USD
View
B+
Retailer 17
-
£2,540 GBP
$3,403 USD
View
B+
Retailer 18
-
£2,750 GBP
View
B
Retailer 19
-
£2,895 GBP
SGD 5,242 SGD
View
Retailer 20
-
£2,967 GBP
A$6,116 AUD
View
Price last confirmed 23 days ago
B
Retailer 21
-
£3,506 GBP
$4,697 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKGMKOJIG · Oct 13
£5,714 GBP
$7,656 USD
View
Price last confirmed 18 days ago
21 more retailers have this diamond
Prices start from £687 GBPSave up to £2,818 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
5.02ct Marquise
£687 GBP