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Round|Lab Grown|IGI

15.56ct F VS2 Round Lab Grown Diamond

ID • F/VS2

Diamond specifications and retailer prices

From £4,763 GBP
As of October 30, 2026
Save £15,040 GBP (76%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £19,803 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 15.56ct lab-grown round diamond

This 15.56ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from £4,763 to £19,803, a £15,040 spread on the same certified stone. Blue Nile lists it at £19,803. 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

15.56
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.24 × 16.31 × 9.75 mm
L/W Ratio1.00
Top View
16.24 mm16.31 mm15.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.9%

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: £19,803 GBP|Low: £4,747 GBP|High: £21,194 GBP|Avg: £8,746 GBP|-6.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2£4,763 GBP
Retailer 4£4,839 GBP
Retailer 3£5,204 GBP
Retailer 5£7,339 GBP
Blue Nile£19,803 GBP

32 data points across 5 retailers

5 retailers£4,763 GBP to £19,803 GBP

A
Cheapest Retailer
-
£4,763 GBP
A
Retailer 2
-
£4,839 GBP
$6,484 USD
View
B+
Retailer 3
-
£5,204 GBP
$6,973 USD
View
B
Retailer 4
-
£7,339 GBP
CA$13,657 CAD
View
Most Expensive
B
Blue Nile
18321032 · Oct 31
£19,803 GBP
$26,534 USD
View
4 more retailers have this diamond
Prices start from £4,763 GBPSave up to £15,040 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
15.56ct Round
£4,763 GBP