Round|Natural|GIA

1.71ct M IF Round Natural Diamond

EX • M/IF • GIA 1226201518

Certificate GIA 1226201518

Diamond specifications and retailer prices

From £3,581 GBP
As of November 1, 2026
Save £2,320 GBP (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,090 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.71ct natural round diamond

This 1.71ct 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 GIA 1226201518. Listed at 11 retailers as of November 1, 2026, with a 65% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1226201518
Dimensions7.64 × 7.60 × 4.77 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.64 mm7.60 mm1.71 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1226201518
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°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: Nov 1
Current: £8,090 GBP|Low: £3,581 GBP|High: £8,090 GBP|Avg: £5,032 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£3,581 GBP
Retailer 5£4,382 GBP
Retailer 7£4,382 GBP
Retailer 9£4,382 GBP
Retailer 6£4,422 GBP
Retailer 3£4,948 GBP
Retailer 8£5,056 GBP
Retailer 2£5,902 GBP
NZ Jewellers£8,090 GBP

27 data points across 9 retailers

11 retailers£3,581 GBP to £5,902 GBP

A
Cheapest Retailer
-
£3,581 GBP
A
Retailer 2
-
£3,822 GBP
View
B+
Retailer 3
-
£4,090 GBP
View
Retailer 4
-
£4,382 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£4,382 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£4,382 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£4,422 GBP
View
B+
Retailer 8
-
£4,948 GBP
View
Retailer 9
-
£5,056 GBP
View
Price last confirmed 10 days ago
B
Retailer 10
-
£5,902 GBP
View
Most Expensive
NZ Jewellers
02ecdbce-b1cd-47ff-8586-e415791ce596 · Oct 30
£8,090 GBP
$10,888 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from £3,581 GBPSave up to £2,320 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
£3,581 GBP