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Marquise|Lab Grown|IGI

3.14ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG845697383

Shape and cutting style on the report: Modified marquise step cut

Certificate IGI LG845697383

Diamond specifications and retailer prices

From £907 GBP
€1,159 EUR
As of October 27, 2026
Save £1,838 GBP (67%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,745 GBP at With Clarity · As of November 3, 2026
View at With Clarity

About this 3.14ct lab-grown marquise diamond

This 3.14ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845697383 or 845697383. Listed at 5 retailers as of October 27, 2026, with prices from £907 to £2,745, a £1,838 spread on the same certified stone. With Clarity lists it at £2,745. 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

3.14
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845697383
Dimensions14.82 × 7.42 × 4.23 mm
L/W Ratio2.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.82 mm7.42 mm3.14 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845697383
Side View
Table 56.0%Crown 41.1°Girdle: MED-STKPavilion 40.1°CuletDepth 57.0%

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 27
Current: £1,254 GBP|Low: £868 GBP|High: £3,674 GBP|Avg: £2,195 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
With Clarity
November 2, 2026
Retailer 4£907 GBP
Retailer 1£1,254 GBP
Retailer 2£2,213 GBP
Retailer 3£2,271 GBP
With Clarity£2,745 GBP

7 data points across 5 retailers

5 retailers£907 GBP to £2,745 GBP

A
Cheapest Retailer
-
£907 GBP
€1,159 EUR
B+
Retailer 2
-
£1,254 GBP
$1,683 USD
View
B
Retailer 3
-
£2,213 GBP
$2,970 USD
View
B
Retailer 4
-
£2,271 GBP
View
Most Expensive
B
With Clarity
845697383 · Nov 3
£2,745 GBP
$3,684 USD
View
4 more retailers have this diamond
Prices start from £907 GBPSave up to £1,838 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
3.14ct Marquise
£907 GBP