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Round|Natural|IGI

1.72ct D I1 Round Natural Diamond

EX • D/I1 • IGI 585319435

Shape and cutting style on the report: Round brilliant

Certificate IGI 585319435

Diamond specifications and retailer prices

From £3,754 GBP
$5,030 USD
As of October 31, 2026
Save £476 GBP (11%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,230 GBP at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.72ct natural round diamond

This 1.72ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 585319435. Listed at 3 retailers as of November 1, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 585319435
Dimensions7.87 × 7.92 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.87 mm7.92 mm1.72 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 585319435
Side View
Table 60.0%Crown 32.3°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,754 GBP|Low: £2,457 GBP|High: £4,467 GBP|Avg: £3,632 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 2, 2026
Retailer 6£2,457 GBP
Retailer 5£3,274 GBP
Retailer 1£3,754 GBP
Retailer 2£3,754 GBP
Retailer 3£3,754 GBP
Yorxs£4,230 GBP
Retailer 4£4,467 GBP

19 data points across 7 retailers

3 retailers£3,754 GBP to £4,230 GBP

A
Cheapest Retailer
-
£3,754 GBP
$5,030 USD
A
Retailer 2
-
£3,754 GBP
$5,030 USD
View
Most Expensive
B+
Yorxs
F919A3BA2 · Nov 1
£4,230 GBP
€5,398 EUR
View
2 more retailers have this diamond
Prices start from £3,754 GBPSave up to £476 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
£3,754 GBP