Marquise|Lab Grown|IGI

5.09ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG841662630

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841662630

Diamond specifications and retailer prices

From £1,397 GBP
$1,860 USD
As of October 23, 2026
Save £4,527 GBP (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £7,035 GBP at Helzberg Diamonds · As of October 12, 2026
View at Helzberg Diamonds

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841662630 or 841662630. Listed at 23 retailers as of October 23, 2026, with a 324% 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

5.09
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841662630
Dimensions18.58 × 8.71 × 5.29 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.58 mm8.71 mm5.09 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841662630
Side View
Table 62.0%Crown 37.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 60.7%

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 23
Current: £7,035 GBP|Low: £1,397 GBP|High: £7,176 GBP|Avg: £3,135 GBP|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
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Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
Retailer 23
October 27, 2026
Retailer 8£1,397 GBP
Retailer 11£1,520 GBP
Retailer 9£1,564 GBP
Retailer 6£1,621 GBP
Retailer 16£1,641 GBP
Retailer 12£1,671 GBP
Retailer 20£1,720 GBP
Retailer 13£1,866 GBP
Retailer 17£2,121 GBP
Retailer 21£2,240 GBP
Retailer 23£2,540 GBP
Retailer 7£2,726 GBP
Retailer 2£2,850 GBP
Retailer 4£3,038 GBP
Retailer 14£3,270 GBP
Retailer 3£3,289 GBP
Retailer 19£3,342 GBP
Retailer 15£4,402 GBP
Retailer 10£4,652 GBP
Retailer 22£5,390 GBP
Retailer 18£5,654 GBP
Retailer 5£5,923 GBP
Helzberg Diamonds£7,035 GBP

20 data points across 23 retailers

23 retailers£1,397 GBP to £5,923 GBP

A
Cheapest Retailer
-
£1,397 GBP
$1,860 USD
Retailer 2
-
£1,520 GBP
$2,024 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£1,621 GBP
$2,158 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£1,641 GBP
$2,185 USD
View
Price last confirmed 19 days ago
Retailer 5
-
£1,671 GBP
$2,225 USD
View
Price last confirmed 6 days ago
A
Retailer 6
-
£1,720 GBP
View
A
Retailer 7
-
£1,866 GBP
$2,485 USD
View
A
Retailer 8
-
£2,121 GBP
$2,824 USD
View
B+
Retailer 9
-
£2,240 GBP
View
Retailer 10
-
£2,540 GBP
$3,382 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£2,726 GBP
$3,630 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£2,850 GBP
€3,615 EUR
View
Retailer 13
-
£3,038 GBP
$4,045 USD
View
Price last confirmed 8 days ago
Retailer 14
-
£3,270 GBP
ZAR 70,342 ZAR
View
Price last confirmed 10 days ago
Retailer 15
-
£3,289 GBP
A$6,739 AUD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£3,342 GBP
View
Retailer 17
-
£3,866 GBP
A$7,920 AUD
View
Price last confirmed 25 days ago
B
Retailer 18
-
£4,402 GBP
$5,862 USD
View
Retailer 19
-
£4,652 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
-
£5,390 GBP
SGD 9,699 SGD
View
B
Retailer 21
-
£5,654 GBP
$7,529 USD
View
B
Retailer 22
-
£5,923 GBP
$7,888 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMMIMJG · Oct 12
£7,035 GBP
$9,369 USD
View
Price last confirmed 18 days ago
22 more retailers have this diamond
Prices start from £1,397 GBPSave up to £4,527 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
5.09ct Marquise
£1,397 GBP