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Princess|Lab Grown|IGI

2.78ct F VVS1 Princess Lab Grown Diamond

ID • F/VVS1 • IGI LG823601593

Shape and cutting style on the report: Princess cut

Certificate IGI LG823601593

Diamond specifications and retailer prices

From £589 GBP
$790 USD
As of October 30, 2026
Save £3,657 GBP (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,247 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.78ct lab-grown princess diamond

This 2.78ct lab-grown princess sits in the two to three carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823601593 or 823601593. Listed at 8 retailers as of October 30, 2026, with prices from £589 to £4,247, a £3,657 spread on the same certified stone. Brilliant Earth lists it at £4,247. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823601593
Dimensions7.61 × 7.57 × 5.44 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.61 mm7.57 mm2.78 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823601593
Side View
Table 67.0%Crown 40.3°Girdle: MediumPavilion 38.3°Culet: NoneDepth 71.9%

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: Oct 30
Current: £4,247 GBP|Low: £534 GBP|High: £4,679 GBP|Avg: £1,533 GBP|-8.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9£534 GBP
Retailer 6£589 GBP
Retailer 7£605 GBP
Retailer 3£735 GBP
Retailer 4£874 GBP
Retailer 5£1,123 GBP
Retailer 2£1,756 GBP
Retailer 8£2,509 GBP
Retailer 10£3,217 GBP
Brilliant Earth£4,247 GBP

25 data points across 10 retailers

8 retailers£589 GBP to £4,247 GBP

A
Cheapest Retailer
-
£589 GBP
$790 USD
B+
Retailer 2
-
£605 GBP
$810 USD
View
A
Retailer 3
-
£735 GBP
€938 EUR
View
A
Retailer 4
-
£874 GBP
$1,171 USD
View
B+
Retailer 5
-
£1,123 GBP
$1,505 USD
View
B+
Retailer 6
-
£1,756 GBP
A$3,619 AUD
View
B
Retailer 7
-
£2,509 GBP
$3,362 USD
View
Most Expensive
B
Brilliant Earth
21676846A · Oct 30
£4,247 GBP
$5,690 USD
View
7 more retailers have this diamond
Prices start from £589 GBPSave up to £3,657 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 Princess
£589 GBP