CaratHunter
Plans
Round|Natural|IGI

1.60ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 610311196

Shape and cutting style on the report: Round brilliant

Certificate IGI 610311196

Diamond specifications and retailer prices

From £748 GBP
As of November 5, 2026
Save £265 GBP (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,226 GBP at NZ Jewellers · As of September 19, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 610311196. Listed at 6 retailers as of November 5, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 610311196
Dimensions7.39 × 7.42 × 4.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.39 mm7.42 mm1.60 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 610311196
Side View
Table 58.0%Crown 36.3°Girdle: MediumPavilion 41.3°Culet: NoneDepth 63.4%

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: £748 GBP|Low: £748 GBP|High: £1,164 GBP|Avg: £980 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 1£748 GBP
Retailer 2£874 GBP
Retailer 5£912 GBP
Retailer 6£997 GBP
Retailer 4£1,013 GBP
Retailer 7£1,152 GBP
Retailer 3£1,164 GBP

42 data points across 7 retailers

6 retailers£748 GBP to £1,013 GBP

A
Cheapest Retailer
-
£748 GBP
A
Retailer 2
-
£874 GBP
View
Retailer 3
-
£912 GBP
View
Price last confirmed 44 days ago
B+
Retailer 4
-
£1,013 GBP
View
Retailer 5
-
£1,053 GBP
View
Price last confirmed 45 days ago
Most Expensive
NZ Jewellers
1acee654-5925-4f46-a741-cdace4d675c8 · Sep 19
£2,226 GBP
$2,996 USD
View
Price last confirmed 47 days ago
5 more retailers have this diamond
Prices start from £748 GBPSave up to £265 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
£748 GBP