Round|Natural|IGI

1.71ct D I1 Round Natural Diamond

EX • D/I1 • IGI 687509039

Shape and cutting style on the report: Round brilliant

Certificate IGI 687509039

Diamond specifications and retailer prices

From £2,227 GBP
₹284,128 INR
As of November 2, 2026
Save £2,007 GBP (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,234 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.71ct natural round diamond

This 1.71ct 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 687509039. Listed at 4 retailers as of October 26, 2026, with prices from £2,227 to £4,234, a £2,007 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,234. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33.9°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 687509039
Dimensions7.61 × 7.66 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.61 mm7.66 mm1.71 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 687509039
Side View
Table 56.0%Crown 33.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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 2
Current: £2,227 GBP|Low: £2,222 GBP|High: £4,526 GBP|Avg: £2,954 GBP|-7.2%
Retailer 1
Retailer 2
Retailer 3
Wholesale Diamonds Direct
November 2, 2026
Retailer 1£2,227 GBP
Retailer 2£2,511 GBP
Retailer 3£2,609 GBP
Wholesale Diamonds Direct£4,234 GBP

45 data points across 4 retailers

4 retailers£2,227 GBP to £4,234 GBP

A
Cheapest Retailer
-
£2,227 GBP
₹284,128 INR
A
Retailer 2
-
£2,511 GBP
$3,365 USD
View
A
Retailer 3
-
£2,609 GBP
$3,496 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
255544885 · Oct 26
£4,234 GBP
$5,673 USD
View
3 more retailers have this diamond
Prices start from £2,227 GBPSave up to £2,007 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
1.71ct Round
£2,227 GBP