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1.36ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 01-15680794

Certificate GIA 01-15680794

Diamond specifications and retailer prices

From £2,551 GBP
As of November 5, 2026
Save £1,892 GBP (43%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,443 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.36ct natural round diamond

This 1.36ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 01-15680794. Listed at 4 retailers as of November 5, 2026, with prices from £2,551 to £4,443, a £1,892 spread on the same certified stone. NZ Jewellers lists it at £4,443. 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

1.36
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 01-15680794
Dimensions6.99 × 7.04 × 4.41 mm
L/W Ratio1.01
Top View
6.99 mm7.04 mm1.36 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 01-15680794
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,443 GBP|Low: £2,551 GBP|High: £4,676 GBP|Avg: £3,339 GBP|-5.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£2,551 GBP
Retailer 3£2,649 GBP
Retailer 2£3,187 GBP
NZ Jewellers£4,443 GBP

30 data points across 4 retailers

4 retailers£2,551 GBP to £4,443 GBP

B+
Cheapest Retailer
-
£2,551 GBP
B+
Retailer 2
-
£2,649 GBP
View
B
Retailer 3
-
£3,187 GBP
View
Most Expensive
B
NZ Jewellers
4e0c0400-b183-4cf1-8a9d-57eb33e8ff19 · Nov 5
£4,443 GBP
$5,980 USD
View
3 more retailers have this diamond
Prices start from £2,551 GBPSave up to £1,892 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+
1.36ct Round
£2,551 GBP