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Marquise|Lab Grown|IGI

3.44ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG811667101

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811667101

Diamond specifications and retailer prices

From £327 GBP
$439 USD
As of November 1, 2026
Save £1,625 GBP (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,952 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.44ct lab-grown marquise diamond

This 3.44ct 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 LG811667101 or 811667101. Listed at 3 retailers as of October 28, 2026, with prices from £327 to £1,952, a £1,625 spread on the same certified stone. Rare Carat lists it at £1,952. 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

3.44
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811667101
Dimensions15.81 × 7.82 × 4.87 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm7.82 mm3.44 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811667101
Side View
Table 63.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,952 GBP|Low: £327 GBP|High: £1,952 GBP|Avg: £878 GBP
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£327 GBP
Retailer 2£621 GBP
Rare Carat£1,952 GBP

36 data points across 3 retailers

3 retailers£327 GBP to £1,952 GBP

A
Cheapest Retailer
-
£327 GBP
$439 USD
Final sale: no returns
A
Retailer 2
-
£621 GBP
View
Most Expensive
B
Rare Carat
811667101 · Oct 28
£1,952 GBP
$2,620 USD
View
2 more retailers have this diamond
Prices start from £327 GBPSave up to £1,625 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
3.44ct Marquise
£327 GBP