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Round|Natural|IGI

1.60ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 526263050

Shape and cutting style on the report: Round brilliant

Certificate IGI 526263050

Diamond specifications and retailer prices

From £1,600 GBP
As of October 31, 2026
Save £2,412 GBP (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,011 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 526263050. Listed at 11 retailers as of October 31, 2026, with prices from £1,600 to £4,011, a £2,412 spread on the same certified stone. NZ Jewellers lists it at £4,011. 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
FluorescenceFaint
Crown angle36.2°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 526263050
Dimensions7.40 × 7.46 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.40 mm7.46 mm1.60 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 526263050
Side View
Table 56.5%Crown 36.2°Girdle: MED-VTKPavilion 41.2°Culet: NoneDepth 63.2%

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: Oct 31
Current: £4,011 GBP|Low: £1,595 GBP|High: £6,997 GBP|Avg: £2,229 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7£1,600 GBP
Retailer 10£1,808 GBP
Retailer 5£1,918 GBP
Retailer 8£1,918 GBP
Retailer 6£2,008 GBP
Retailer 9£2,126 GBP
Retailer 4£2,214 GBP
Retailer 2£2,342 GBP
Retailer 3£2,381 GBP
NZ Jewellers£4,011 GBP

45 data points across 10 retailers

11 retailers£1,600 GBP to £4,011 GBP

A
Cheapest Retailer
-
£1,600 GBP
A
Retailer 2
-
£1,719 GBP
View
B+
Retailer 3
-
£1,808 GBP
View
B+
Retailer 4
-
£1,898 GBP
View
B+
Retailer 5
-
£1,918 GBP
View
Retailer 6
-
£1,918 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,008 GBP
View
B+
Retailer 8
-
£2,214 GBP
View
B+
Retailer 9
-
£2,342 GBP
View
B+
Retailer 10
-
£2,381 GBP
View
Most Expensive
C
NZ Jewellers
a7ba6940-d957-40df-acdd-f6d8c9e3daaa · Nov 5
£4,011 GBP
$5,399 USD
View
10 more retailers have this diamond
Prices start from £1,600 GBPSave up to £2,412 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
£1,600 GBP