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Round|Natural|IGI

1.55ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 523290036

Certificate IGI 523290036

Diamond specifications and retailer prices

From £4,183 GBP
As of November 6, 2026
Save £1,611 GBP (28%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £5,794 GBP at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 523290036. Listed at 5 retailers as of November 6, 2026, with prices from £4,183 to £5,794, a £1,611 spread on the same certified stone. Yorxs lists it at £5,794. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabIGI
CertificateIGI 523290036
Dimensions7.41 × 7.45 × 4.59 mm
L/W Ratio1.01
Top View
7.41 mm7.45 mm1.55 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 523290036
Side View
Table 56.5%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £5,636 GBP|Low: £4,132 GBP|High: £5,825 GBP|Avg: £5,194 GBP|+0.8%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 2£4,183 GBP
Retailer 1£5,636 GBP
Yorxs£5,794 GBP

37 data points across 3 retailers

5 retailers£4,183 GBP to £5,794 GBP

B+
Cheapest Retailer
-
£4,183 GBP
B+
Retailer 2
-
£4,459 GBP
View
B+
Retailer 3
-
£4,514 GBP
View
B
Retailer 4
-
£5,636 GBP
View
Most Expensive
B
Yorxs
RB2811 · Nov 6
£5,794 GBP
€7,427 EUR
View
4 more retailers have this diamond
Prices start from £4,183 GBPSave up to £1,611 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.

B+
1.55ct Round
£4,183 GBP