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Round|Natural|IGI

1.56ct I IF Round Natural Diamond

EX • I/IF • IGI 798618488

Shape and cutting style on the report: Round brilliant

Certificate IGI 798618488

Diamond specifications and retailer prices

From £4,039 GBP
$5,367 USD
As of October 28, 2026
Save £3,706 GBP (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £7,746 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.56ct natural round diamond

This 1.56ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 798618488. Listed at 16 retailers as of October 27, 2026, with prices from £4,039 to £7,746, a £3,706 spread on the same certified stone. NZ Jewellers lists it at £7,746. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 798618488
Dimensions7.47 × 7.53 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.47 mm7.53 mm1.56 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 798618488
Side View
Table 59.0%Crown 33.8°Girdle: THN-STKPavilion 41.5°Culet: NoneDepth 61.2%

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 28
Current: £7,746 GBP|Low: £3,782 GBP|High: £7,893 GBP|Avg: £4,879 GBP|-1.9%
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
Retailer 14
October 29, 2026
Retailer 6£4,039 GBP
Retailer 3£4,131 GBP
Retailer 14£4,275 GBP
Retailer 13£4,312 GBP
Retailer 2£4,502 GBP
Retailer 4£4,603 GBP
Retailer 5£4,631 GBP
Retailer 7£4,631 GBP
Retailer 11£4,631 GBP
Retailer 9£5,034 GBP
Retailer 12£5,343 GBP
Retailer 10£5,624 GBP
Retailer 8£6,860 GBP
NZ Jewellers£7,746 GBP

30 data points across 14 retailers

16 retailers£4,039 GBP to £7,746 GBP

A
Cheapest Retailer
-
£4,039 GBP
$5,367 USD
A
Retailer 2
-
£4,131 GBP
$5,489 USD
View
A
Retailer 3
-
£4,275 GBP
$5,680 USD
View
Final sale: no returns
A
Retailer 4
-
£4,312 GBP
$5,730 USD
View
A
Retailer 5
-
£4,502 GBP
View
A
Retailer 6
-
£4,603 GBP
$6,116 USD
View
A
Retailer 7
-
£4,631 GBP
$6,154 USD
View
A
Retailer 8
-
£4,631 GBP
$6,154 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
£4,631 GBP
$6,154 USD
View
A
Retailer 10
-
£4,689 GBP
$6,230 USD
View
Price last confirmed 35 days ago
A
Retailer 11
-
£5,034 GBP
€6,370 EUR
View
A
Retailer 12
-
£5,343 GBP
$7,100 USD
View
A
Retailer 13
-
£5,410 GBP
$7,188 USD
View
Price last confirmed 37 days ago
A
Retailer 14
-
£5,624 GBP
ZAR 120,728 ZAR
View
Price last confirmed 17 days ago
B+
Retailer 15
-
£6,860 GBP
View
Most Expensive
B+
NZ Jewellers
24fec36d-5055-41bb-acaa-1b610f1f4ee8 · Oct 27
£7,746 GBP
$10,292 USD
View
15 more retailers have this diamond
Prices start from £4,039 GBPSave up to £3,706 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
1.56ct Round
£4,039 GBP