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Round|Natural|IGI

1.72ct M IF Round Natural Diamond

EX • M/IF • IGI 485129491

Shape and cutting style on the report: Round brilliant

Certificate IGI 485129491

Diamond specifications and retailer prices

From £2,598 GBP
As of November 6, 2026
Save £2,547 GBP (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,145 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.72ct natural round diamond

This 1.72ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 485129491. Listed at 9 retailers as of November 5, 2026, with prices from £2,598 to £5,145, a £2,547 spread on the same certified stone. NZ Jewellers lists it at £5,145. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 485129491
Dimensions7.66 × 7.70 × 4.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.66 mm7.70 mm1.72 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 485129491
Side View
Table 57.5%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 6
Current: £5,145 GBP|Low: £2,598 GBP|High: £5,145 GBP|Avg: £3,254 GBP
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 7£2,598 GBP
Retailer 4£2,816 GBP
Retailer 6£2,953 GBP
Retailer 9£2,953 GBP
Retailer 11£2,953 GBP
Retailer 8£2,975 GBP
Retailer 3£3,062 GBP
Retailer 5£3,331 GBP
Retailer 10£3,407 GBP
Retailer 12£3,526 GBP
Retailer 2£3,604 GBP
NZ Jewellers£5,145 GBP

20 data points across 12 retailers

9 retailers£2,598 GBP to £5,145 GBP

A
Cheapest Retailer
-
£2,598 GBP
A
Retailer 2
-
£2,816 GBP
View
A
Retailer 3
-
£2,953 GBP
View
A
Retailer 4
-
£2,953 GBP
View
A
Retailer 5
-
£3,062 GBP
View
A
Retailer 6
-
£3,331 GBP
View
A
Retailer 7
-
£3,407 GBP
View
A
Retailer 8
-
£3,604 GBP
View
Most Expensive
B
NZ Jewellers
7a38e8d4-b3c3-4f8f-bd09-ea90865c5b93 · Nov 5
£5,145 GBP
$6,925 USD
View
8 more retailers have this diamond
Prices start from £2,598 GBPSave up to £2,547 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
1.72ct Round
£2,598 GBP