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1.60ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 756554651

Shape and cutting style on the report: Round brilliant

Certificate IGI 756554651

Diamond specifications and retailer prices

From £1,358 GBP
As of November 4, 2026
Save £1,785 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,144 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 756554651. Listed at 10 retailers as of November 4, 2026, with prices from £1,358 to £3,144, a £1,785 spread on the same certified stone. NZ Jewellers lists it at £3,144. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 756554651
Dimensions7.43 × 7.47 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.43 mm7.47 mm1.60 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 756554651
Side View
Table 56.0%Crown 35.6°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

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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: £3,144 GBP|Low: £1,358 GBP|High: £3,392 GBP|Avg: £1,748 GBP|-7.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12£1,358 GBP
Retailer 10£1,412 GBP
Retailer 4£1,501 GBP
Retailer 8£1,504 GBP
Retailer 11£1,504 GBP
Retailer 3£1,506 GBP
Retailer 9£1,527 GBP
Retailer 6£1,573 GBP
Retailer 7£1,735 GBP
Retailer 5£1,835 GBP
Retailer 2£2,037 GBP
NZ Jewellers£3,144 GBP

28 data points across 12 retailers

10 retailers£1,358 GBP to £3,144 GBP

A
Cheapest Retailer
-
£1,358 GBP
A
Retailer 2
-
£1,412 GBP
View
A
Retailer 3
-
£1,504 GBP
View
Retailer 4
-
£1,504 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£1,527 GBP
View
A
Retailer 6
-
£1,573 GBP
View
A
Retailer 7
-
£1,735 GBP
View
A
Retailer 8
-
£1,835 GBP
View
A
Retailer 9
-
£2,037 GBP
View
Most Expensive
B
NZ Jewellers
66e74e9a-0b43-4cd9-a154-921f1f855d47 · Nov 5
£3,144 GBP
$4,231 USD
View
9 more retailers have this diamond
Prices start from £1,358 GBPSave up to £1,785 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
£1,358 GBP