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Marquise|Lab Grown|IGI

3.17ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG839659575

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839659575

Diamond specifications and retailer prices

From £576 GBP
$772 USD
As of October 30, 2026
Save £2,106 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,368 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 3.17ct lab-grown marquise diamond

This 3.17ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839659575 or 839659575. Listed at 20 retailers as of October 30, 2026, with a 366% 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

3.17
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839659575
Dimensions15.67 × 7.50 × 4.58 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
15.67 mm7.50 mm3.17 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839659575
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 61.1%

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 30
Current: £1,509 GBP|Low: £576 GBP|High: £2,752 GBP|Avg: £1,265 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 16£576 GBP
Retailer 7£631 GBP
Retailer 9£649 GBP
Retailer 3£672 GBP
Retailer 10£685 GBP
Retailer 17£778 GBP
Retailer 11£799 GBP
Retailer 14£950 GBP
Retailer 15£957 GBP
Retailer 8£1,020 GBP
Retailer 18£1,024 GBP
Retailer 1£1,509 GBP
Retailer 5£1,561 GBP
Retailer 13£1,590 GBP
Retailer 6£1,891 GBP
Retailer 12£2,390 GBP
Retailer 4£2,535 GBP
Retailer 2£2,682 GBP

19 data points across 18 retailers

20 retailers£576 GBP to £2,682 GBP

A
Cheapest Retailer
-
£576 GBP
$772 USD
A
Retailer 2
-
£631 GBP
$845 USD
View
A
Retailer 3
-
£649 GBP
$870 USD
View
Final sale: no returns
A
Retailer 4
-
£672 GBP
$901 USD
View
Retailer 5
-
£685 GBP
$918 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£778 GBP
View
A
Retailer 7
-
£799 GBP
$1,070 USD
View
A
Retailer 8
-
£950 GBP
$1,273 USD
View
A
Retailer 9
-
£957 GBP
$1,282 USD
View
A
Retailer 10
-
£1,020 GBP
€1,301 EUR
View
A
Retailer 11
-
£1,024 GBP
View
B+
Retailer 12
-
£1,509 GBP
A$3,111 AUD
View
B+
Retailer 13
-
£1,561 GBP
ZAR 33,800 ZAR
View
B+
Retailer 14
-
£1,590 GBP
$2,130 USD
View
B+
Retailer 15
-
£1,891 GBP
$2,534 USD
View
B
Retailer 16
-
£2,195 GBP
$2,941 USD
View
B+
Retailer 17
-
£2,390 GBP
$3,203 USD
View
B+
Retailer 18
-
£2,535 GBP
View
B+
Retailer 19
-
£2,682 GBP
SGD 4,857 SGD
View
Most Expensive
Helzberg Diamonds
ZXZOJPMLPLNL · Oct 13
£3,368 GBP
$4,513 USD
View
Price last confirmed 18 days ago
19 more retailers have this diamond
Prices start from £576 GBPSave up to £2,106 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
3.17ct Marquise
£576 GBP