CaratHunter
Plans
Round|Natural|IGI

1.36ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 743505926

Shape and cutting style on the report: Round brilliant

Certificate IGI 743505926

Diamond specifications and retailer prices

From £857 GBP
As of November 5, 2026
Save £1,852 GBP (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,708 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 IGI 743505926. Listed at 19 retailers as of November 5, 2026, with prices from £857 to £2,708, a £1,852 spread on the same certified stone. NZ Jewellers lists it at £2,708. 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
Crown angle35.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 743505926
Dimensions7.03 × 6.98 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.03 mm6.98 mm1.36 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743505926
Side View
Table 55.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,062 GBP|Low: £857 GBP|High: £1,966 GBP|Avg: £1,316 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£857 GBP
Retailer 1£1,062 GBP
Retailer 2£1,240 GBP
Retailer 4£1,355 GBP
Retailer 5£1,506 GBP
Retailer 6£1,940 GBP

27 data points across 6 retailers

19 retailers£857 GBP to £2,708 GBP

A
Cheapest Retailer
-
£857 GBP
Retailer 2
-
£1,017 GBP
View
Price last confirmed 95 days ago
A
Retailer 3
-
£1,029 GBP
View
A
Retailer 4
-
£1,062 GBP
View
Retailer 5
-
£1,111 GBP
View
Price last confirmed 42 days ago
Retailer 6
-
£1,111 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£1,111 GBP
View
A
Retailer 8
-
£1,121 GBP
View
A
Retailer 9
-
£1,162 GBP
View
A
Retailer 10
-
£1,178 GBP
View
A
Retailer 11
-
£1,211 GBP
View
A
Retailer 12
-
£1,240 GBP
View
A
Retailer 13
-
£1,281 GBP
View
Retailer 14
-
£1,281 GBP
View
Price last confirmed 45 days ago
A
Retailer 15
-
£1,355 GBP
View
A
Retailer 16
-
£1,506 GBP
View
B+
Retailer 17
-
£1,940 GBP
View
Retailer 18
-
£2,708 GBP
View
Price last confirmed 42 days ago
Most Expensive
B
NZ Jewellers
a068e4be-98b1-478d-bd53-0dc389beed6c · Nov 5
£2,708 GBP
$3,645 USD
View
18 more retailers have this diamond
Prices start from £857 GBPSave up to £1,852 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
1.36ct Round
£857 GBP