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Round|Natural|IGI

1.60ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 713568896

Shape and cutting style on the report: Round brilliant

Certificate IGI 713568896

Diamond specifications and retailer prices

From £2,103 GBP
As of November 6, 2026
Save £1,988 GBP (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,091 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 713568896. Listed at 10 retailers as of November 5, 2026, with prices from £2,103 to £4,091, a £1,988 spread on the same certified stone. NZ Jewellers lists it at £4,091. 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

1.60
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 713568896
Dimensions7.39 × 7.42 × 4.70 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.39 mm7.42 mm1.60 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 713568896
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.5%

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 6
Current: £4,091 GBP|Low: £2,103 GBP|High: £4,419 GBP|Avg: £2,992 GBP|-7.4%
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
November 6, 2026
Retailer 11£2,103 GBP
Retailer 3£2,336 GBP
Retailer 10£2,348 GBP
Retailer 13£2,348 GBP
Retailer 9£2,438 GBP
Retailer 7£2,699 GBP
Retailer 12£2,710 GBP
Retailer 6£2,728 GBP
Retailer 4£3,018 GBP
Retailer 2£3,099 GBP
Retailer 8£3,916 GBP
NZ Jewellers£4,091 GBP
Retailer 5£4,098 GBP

41 data points across 13 retailers

10 retailers£2,103 GBP to £4,091 GBP

A
Cheapest Retailer
-
£2,103 GBP
B+
Retailer 2
-
£2,348 GBP
View
Retailer 3
-
£2,348 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£2,438 GBP
View
A
Retailer 5
-
£2,699 GBP
View
B+
Retailer 6
-
£2,710 GBP
View
B+
Retailer 7
-
£2,728 GBP
View
B+
Retailer 8
-
£3,099 GBP
View
B
Retailer 9
-
£3,916 GBP
View
Most Expensive
B
NZ Jewellers
13522242-7af2-44cf-a958-4cb208b86851 · Nov 5
£4,091 GBP
$5,506 USD
View
9 more retailers have this diamond
Prices start from £2,103 GBPSave up to £1,988 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
1.60ct Round
£2,103 GBP