Round|Natural|IGI

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 817695329

Certificate IGI 817695329

Diamond specifications and retailer prices

From £2,017 GBP
As of November 6, 2026
8 retailers carry this diamond
Most expensive: £2,726 GBP at Wholesale Diamonds Direct · As of October 23, 2026
View at Wholesale Diamonds Direct

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 817695329. Listed at 8 retailers as of November 6, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 817695329
Dimensions7.38 × 7.41 × 4.57 mm
L/W Ratio1.00
Top View
7.38 mm7.41 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 817695329
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £2,299 GBP|Low: £1,444 GBP|High: £2,774 GBP|Avg: £1,984 GBP|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 26, 2026
Retailer 2£1,447 GBP
Retailer 3£1,642 GBP
Retailer 7£1,710 GBP
Retailer 6£1,722 GBP
Retailer 5£1,832 GBP
Retailer 4£2,208 GBP
Retailer 1£2,299 GBP
Wholesale Diamonds Direct£2,726 GBP

35 data points across 8 retailers

8 retailers

Retailer 1
-
£1,447 GBP
Price last confirmed 12 days ago
Retailer 2
-
£1,642 GBP
View
Price last confirmed 12 days ago
Retailer 3
-
£1,710 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£1,832 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£2,017 GBP
View
Retailer 6
-
£2,208 GBP
View
Price last confirmed 13 days ago
Retailer 7
-
£2,299 GBP
View
Price last confirmed 11 days ago
Most Expensive
Wholesale Diamonds Direct
258857372 · Oct 23
£2,726 GBP
$3,669 USD
View
Price last confirmed 14 days ago
7 more retailers have this diamond
Prices start from £2,017 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+
1.54ct Round
£2,017 GBP