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Marquise|Lab Grown|IGI

3.41ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG811685073

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811685073

Diamond specifications and retailer prices

From £346 GBP
$464 USD
As of November 1, 2026
Save £2,030 GBP (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,377 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.41ct lab-grown marquise diamond

This 3.41ct 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 LG811685073 or 811685073. Listed at 6 retailers as of October 31, 2026, with prices from £346 to £2,377, a £2,030 spread on the same certified stone. Frank Darling lists it at £2,377. 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

3.41
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811685073
Dimensions16.27 × 7.74 × 4.83 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.27 mm7.74 mm3.41 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811685073
Side View
Table 55.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.4%

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: Nov 1
Current: £2,377 GBP|Low: £346 GBP|High: £2,377 GBP|Avg: £1,173 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3£346 GBP
Retailer 4£490 GBP
Retailer 5£696 GBP
Retailer 2£1,267 GBP
Retailer 6£1,926 GBP
Frank Darling£2,377 GBP

12 data points across 6 retailers

6 retailers£346 GBP to £2,377 GBP

A
Cheapest Retailer
-
£346 GBP
$464 USD
Final sale: no returns
B+
Retailer 2
-
£490 GBP
$657 USD
View
Retailer 3
-
£696 GBP
$933 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
£1,267 GBP
$1,698 USD
View
B
Retailer 5
-
£1,926 GBP
$2,580 USD
View
Most Expensive
B
Frank Darling
100761220755KD · Oct 31
£2,377 GBP
$3,184 USD
View
5 more retailers have this diamond
Prices start from £346 GBPSave up to £2,030 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
3.41ct Marquise
£346 GBP