Marquise|Lab Grown|IGI

5.29ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG833699918

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833699918

Diamond specifications and retailer prices

From £4,918 GBP
$6,590 USD
As of October 30, 2026
Save £16,888 GBP (77%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £21,806 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.29ct lab-grown marquise diamond

This 5.29ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833699918 or 833699918. Listed at 25 retailers as of October 30, 2026, with prices from £4,918 to £21,806, a £16,888 spread on the same certified stone. With Clarity lists it at £21,806. 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

5.29
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833699918
Dimensions18.51 × 8.86 × 5.69 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.51 mm8.86 mm5.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833699918
Side View
Table 57.0%Crown 35.9°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 64.2%

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 30
Current: £5,992 GBP|Low: £4,722 GBP|High: £21,370 GBP|Avg: £10,400 GBP|-9.3%
Retailer 1
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Retailer 23
With Clarity
October 31, 2026
Retailer 7£4,918 GBP
Retailer 11£5,115 GBP
Retailer 8£5,509 GBP
Retailer 4£5,683 GBP
Retailer 9£5,706 GBP
Retailer 2£5,903 GBP
Retailer 1£5,992 GBP
Retailer 10£6,773 GBP
Retailer 18£7,146 GBP
Retailer 15£7,559 GBP
Retailer 16£8,144 GBP
Retailer 21£8,426 GBP
Retailer 23£8,814 GBP
Retailer 19£9,006 GBP
Retailer 5£10,397 GBP
Retailer 12£10,829 GBP
Retailer 20£11,467 GBP
Retailer 17£11,591 GBP
Retailer 22£11,951 GBP
Retailer 13£14,766 GBP
Retailer 3£15,878 GBP
Retailer 6£16,761 GBP
Retailer 14£19,629 GBP
With Clarity£21,370 GBP

40 data points across 24 retailers

25 retailers£4,918 GBP to £21,806 GBP

A
Cheapest Retailer
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£4,918 GBP
$6,590 USD
A
Retailer 2
-
£5,115 GBP
$6,854 USD
View
A
Retailer 3
-
£5,509 GBP
$7,381 USD
View
Final sale: no returns
A
Retailer 4
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£5,683 GBP
$7,615 USD
View
Retailer 5
-
£5,706 GBP
$7,645 USD
View
Price last confirmed 14 days ago
A
Retailer 6
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£5,706 GBP
$7,645 USD
View
Retailer 7
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£5,903 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
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£5,992 GBP
$8,029 USD
View
A
Retailer 9
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£6,773 GBP
$9,075 USD
View
A
Retailer 10
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£7,146 GBP
View
A
Retailer 11
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£7,559 GBP
$10,128 USD
View
A
Retailer 12
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£8,144 GBP
View
A
Retailer 13
-
£8,426 GBP
$11,290 USD
View
A
Retailer 14
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£8,814 GBP
$11,810 USD
View
A
Retailer 15
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£9,006 GBP
€11,493 EUR
View
A
Retailer 16
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£10,397 GBP
$13,931 USD
View
A
Retailer 17
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£10,829 GBP
$14,510 USD
View
A
Retailer 18
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£11,467 GBP
View
A
Retailer 19
-
£11,591 GBP
ZAR 250,910 ZAR
View
Retailer 20
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£11,951 GBP
A$24,635 AUD
View
Price last confirmed 8 days ago
A
Retailer 21
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£14,766 GBP
$19,785 USD
View
A
Retailer 22
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£15,878 GBP
$21,275 USD
View
Retailer 23
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£16,761 GBP
A$34,551 AUD
View
Price last confirmed 22 days ago
A
Retailer 24
-
£19,629 GBP
$26,301 USD
View
Most Expensive
B+
With Clarity
833699918 · Oct 30
£21,806 GBP
$29,218 USD
View
24 more retailers have this diamond
Prices start from £4,918 GBPSave up to £16,888 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
5.29ct Marquise
£4,918 GBP