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Round|Natural|GIA

1.70ct M IF Round Natural Diamond

EX • M/IF • GIA 6432375646

Certificate GIA 6432375646

Diamond specifications and retailer prices

From £3,741 GBP
As of November 1, 2026
Save £2,229 GBP (37%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £8,183 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural round diamond

This 1.7ct 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 6432375646. Listed at 10 retailers as of November 1, 2026, with a 60% 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

1.70
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6432375646
Dimensions7.79 × 7.75 × 4.61 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.79 mm7.75 mm1.70 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6432375646
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.3%

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: £8,183 GBP|Low: £3,741 GBP|High: £8,183 GBP|Avg: £4,965 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£3,741 GBP
Retailer 9£3,867 GBP
Retailer 10£4,135 GBP
Retailer 5£4,433 GBP
Retailer 6£4,433 GBP
Retailer 8£4,433 GBP
Retailer 7£5,115 GBP
Retailer 3£5,312 GBP
Retailer 2£5,970 GBP
NZ Jewellers£8,183 GBP

26 data points across 10 retailers

10 retailers£3,741 GBP to £5,970 GBP

A
Cheapest Retailer
-
£3,741 GBP
A
Retailer 2
-
£3,867 GBP
View
B+
Retailer 3
-
£4,135 GBP
View
Retailer 4
-
£4,433 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£4,433 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£4,433 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£5,115 GBP
View
Price last confirmed 10 days ago
B+
Retailer 8
-
£5,312 GBP
View
B
Retailer 9
-
£5,970 GBP
View
Most Expensive
NZ Jewellers
355548a0-a537-4cee-997f-f514be23a678 · Oct 30
£8,183 GBP
$11,014 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from £3,741 GBPSave up to £2,229 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
1.70ct Round
£3,741 GBP