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Round|Natural|GIA

1.71ct M IF Round Natural Diamond

EX • M/IF • GIA 3545715951

Certificate GIA 3545715951

Diamond specifications and retailer prices

From £3,141 GBP
As of November 6, 2026
Save £807 GBP (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,948 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

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 3545715951. Listed at 3 retailers as of November 5, 2026, with prices from £3,141 to £3,948, a £807 spread on the same certified stone. Blue Nile lists it at £3,948. 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
FluorescenceStrong
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3545715951
Dimensions7.62 × 7.56 × 4.76 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.62 mm7.56 mm1.71 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 3545715951
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: Nov 6
Current: £3,948 GBP|Low: £3,141 GBP|High: £4,370 GBP|Avg: £3,552 GBP|-9.7%
Blue Nile
Retailer 2
Retailer 3
November 6, 2026
Retailer 2£3,141 GBP
Retailer 3£3,324 GBP
Blue Nile£3,948 GBP

46 data points across 3 retailers

3 retailers£3,141 GBP to £3,948 GBP

A
Cheapest Retailer
-
£3,141 GBP
A
Retailer 2
-
£3,324 GBP
View
Most Expensive
B+
Blue Nile
28381983 · Nov 5
£3,948 GBP
$5,313 USD
View
2 more retailers have this diamond
Prices start from £3,141 GBPSave up to £807 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
£3,141 GBP