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Round|Natural|IGI

0.61ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 815656688

Shape and cutting style on the report: Round brilliant

Certificate IGI 815656688

Diamond specifications and retailer prices

From £275 GBP
As of November 4, 2026
Save £882 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,157 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.61ct natural round diamond

This 0.61ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 815656688. Listed at 16 retailers as of November 4, 2026, with prices from £275 to £1,157, a £882 spread on the same certified stone. NZ Jewellers lists it at £1,157. 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

0.61
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 815656688
Dimensions5.43 × 5.46 × 3.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.43 mm5.46 mm0.61 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 815656688
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.8%

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: Nov 4
Current: £1,157 GBP|Low: £275 GBP|High: £1,181 GBP|Avg: £455 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 4£275 GBP
Retailer 12£276 GBP
Retailer 13£301 GBP
Retailer 3£325 GBP
Retailer 8£329 GBP
Retailer 10£348 GBP
Retailer 9£378 GBP
Retailer 14£386 GBP
Retailer 2£387 GBP
Retailer 7£425 GBP
Retailer 16£452 GBP
Retailer 5£461 GBP
Retailer 15£467 GBP
Retailer 11£484 GBP
Retailer 6£701 GBP
NZ Jewellers£1,157 GBP

16 data points across 16 retailers

16 retailers£275 GBP to £1,157 GBP

A
Cheapest Retailer
-
£275 GBP
A
Retailer 2
-
£276 GBP
View
A
Retailer 3
-
£301 GBP
View
A
Retailer 4
-
£325 GBP
View
Retailer 5
-
£329 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£348 GBP
View
B+
Retailer 7
-
£378 GBP
View
A
Retailer 8
-
£386 GBP
View
A
Retailer 9
-
£387 GBP
View
A
Retailer 10
-
£425 GBP
View
B+
Retailer 11
-
£452 GBP
View
B+
Retailer 12
-
£461 GBP
View
B+
Retailer 13
-
£467 GBP
View
B+
Retailer 14
-
£484 GBP
View
B
Retailer 15
-
£701 GBP
View
Most Expensive
B
NZ Jewellers
accb2352-1995-4bcf-b280-309c6701135f · Nov 4
£1,157 GBP
$1,557 USD
View
15 more retailers have this diamond
Prices start from £275 GBPSave up to £882 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
0.61ct Round
£275 GBP