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Marquise|Lab Grown|IGI

5.17ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG836678118

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836678118

Diamond specifications and retailer prices

From £1,131 GBP
$1,515 USD
As of October 31, 2026
Save £6,534 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,665 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.17ct lab-grown marquise diamond

This 5.17ct 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 LG836678118 or 836678118. Listed at 15 retailers as of October 31, 2026, with prices from £1,131 to £7,665, a £6,534 spread on the same certified stone. Do Amore Diamonds lists it at £7,665. 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

5.17
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836678118
Dimensions18.06 × 9.15 × 5.40 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.06 mm9.15 mm5.17 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836678118
Side View
Table 64.0%Crown 32.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 59.0%

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 31
Current: £7,665 GBP|Low: £635 GBP|High: £7,665 GBP|Avg: £1,690 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 20
October 31, 2026
Retailer 11£635 GBP
Retailer 5£715 GBP
Retailer 6£740 GBP
Retailer 8£740 GBP
Retailer 14£1,131 GBP
Retailer 20£1,157 GBP
Retailer 13£1,200 GBP
Retailer 16£1,409 GBP
Retailer 12£1,557 GBP
Retailer 10£1,567 GBP
Retailer 18£1,722 GBP
Retailer 3£1,817 GBP
Retailer 2£1,973 GBP
Retailer 4£2,082 GBP
Retailer 7£2,317 GBP
Retailer 9£2,567 GBP
Retailer 19£2,784 GBP
Retailer 15£3,570 GBP
Retailer 17£4,827 GBP
Do Amore Diamonds£7,665 GBP

18 data points across 20 retailers

15 retailers£1,131 GBP to £7,665 GBP

Retailer 1
-
£635 GBP
$851 USD
Price last confirmed 29 days ago
Retailer 2
-
£719 GBP
$964 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£740 GBP
$992 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
£1,131 GBP
$1,515 USD
View
A
Retailer 5
-
£1,200 GBP
View
B+
Retailer 6
-
£1,409 GBP
$1,888 USD
View
Retailer 7
-
£1,567 GBP
ZAR 33,919 ZAR
View
Price last confirmed 29 days ago
B+
Retailer 8
-
£1,722 GBP
€2,198 EUR
View
B+
Retailer 9
-
£1,973 GBP
$2,643 USD
View
Retailer 10
-
£2,082 GBP
$2,789 USD
View
Price last confirmed 26 days ago
Retailer 11
-
£2,567 GBP
$3,440 USD
View
Price last confirmed 26 days ago
Retailer 12
-
£2,784 GBP
$3,731 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
£3,570 GBP
View
B
Retailer 14
-
£4,827 GBP
$6,467 USD
View
Most Expensive
B
Do Amore Diamonds
27-5BEDAE228 · Oct 31
£7,665 GBP
$10,270 USD
View
14 more retailers have this diamond
Prices start from £1,131 GBPSave up to £6,534 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
5.17ct Marquise
£1,131 GBP