Round|Natural|IGI

1.60ct J IF Round Natural Diamond

EX • J/IF • IGI 738528400

Shape and cutting style on the report: Round brilliant

Certificate IGI 738528400

Diamond specifications and retailer prices

From £4,228 GBP
$5,665 USD
As of October 25, 2026
Save £4,048 GBP (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £8,276 GBP at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 738528400. Listed at 15 retailers as of October 25, 2026, with prices from £4,228 to £8,276, a £4,048 spread on the same certified stone. NZ Jewellers lists it at £8,276. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 738528400
Dimensions7.40 × 7.45 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.40 mm7.45 mm1.60 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 738528400
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.6%

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 25
Current: £6,080 GBP|Low: £4,116 GBP|High: £7,378 GBP|Avg: £5,485 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£4,228 GBP
Retailer 7£4,567 GBP
Retailer 2£4,809 GBP
Retailer 8£5,024 GBP
Retailer 3£5,257 GBP
Retailer 6£5,875 GBP
Retailer 1£6,080 GBP
Retailer 4£7,329 GBP

40 data points across 8 retailers

15 retailers£4,228 GBP to £8,276 GBP

A
Cheapest Retailer
-
£4,228 GBP
$5,665 USD
A
Retailer 2
-
£4,316 GBP
$5,783 USD
View
A
Retailer 3
-
£4,567 GBP
$6,119 USD
View
Final sale: no returns
A
Retailer 4
-
£4,568 GBP
$6,120 USD
View
A
Retailer 5
-
£4,594 GBP
$6,155 USD
View
A
Retailer 6
-
£4,809 GBP
View
B+
Retailer 7
-
£4,948 GBP
$6,630 USD
View
B+
Retailer 8
-
£5,024 GBP
$6,732 USD
View
B+
Retailer 9
-
£5,044 GBP
$6,759 USD
View
B+
Retailer 10
-
£5,067 GBP
$6,789 USD
View
B+
Retailer 11
-
£5,257 GBP
€6,708 EUR
View
B+
Retailer 12
-
£5,709 GBP
$7,650 USD
View
B+
Retailer 13
-
£6,080 GBP
ZAR 131,598 ZAR
View
B
Retailer 14
-
£7,329 GBP
View
Most Expensive
B
NZ Jewellers
c2e996fd-ed75-4d11-a340-0acd2075abb5 · Oct 30
£8,276 GBP
$11,089 USD
View
14 more retailers have this diamond
Prices start from £4,228 GBPSave up to £4,048 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
£4,228 GBP