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Marquise|Lab Grown|IGI

2.78ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839615487

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839615487

Diamond specifications and retailer prices

From £431 GBP
$578 USD
As of November 1, 2026
Save £864 GBP (67%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,295 GBP at Novita Diamonds · As of October 30, 2026
View at Novita Diamonds

About this 2.78ct lab-grown marquise diamond

This 2.78ct lab-grown marquise sits in the two to three carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839615487 or 839615487. Listed at 5 retailers as of October 30, 2026, with prices from £431 to £1,295, a £864 spread on the same certified stone. Novita Diamonds lists it at £1,295. 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

2.78
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839615487
Dimensions14.93 × 7.15 × 4.61 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
14.93 mm7.15 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839615487
Side View
Table 55.0%Crown 36.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,295 GBP|Low: £431 GBP|High: £1,295 GBP|Avg: £580 GBP
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4£431 GBP
Retailer 5£452 GBP
Retailer 2£573 GBP
Retailer 3£623 GBP
Retailer 6£642 GBP
Novita Diamonds£1,295 GBP

6 data points across 6 retailers

5 retailers£431 GBP to £1,295 GBP

A
Cheapest Retailer
-
£431 GBP
$578 USD
B+
Retailer 2
-
£452 GBP
$606 USD
View
A
Retailer 3
-
£573 GBP
€732 EUR
View
A
Retailer 4
-
£623 GBP
$836 USD
View
Most Expensive
B
Novita Diamonds
cert_839615487 · Oct 30
£1,295 GBP
A$2,673 AUD
View
4 more retailers have this diamond
Prices start from £431 GBPSave up to £864 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
2.78ct Marquise
£431 GBP