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Round|Natural|GIA

1.70ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6452275925

Certificate GIA 6452275925

Diamond specifications and retailer prices

From £3,071 GBP
HK$32,200 HKD
As of November 1, 2026
Save £3,877 GBP (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,948 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6452275925. Listed at 8 retailers as of October 30, 2026, with prices from £3,071 to £6,948, a £3,877 spread on the same certified stone. NZ Jewellers lists it at £6,948. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6452275925
Dimensions7.59 × 7.63 × 4.77 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.59 mm7.63 mm1.70 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6452275925
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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: £6,948 GBP|Low: £3,043 GBP|High: £7,047 GBP|Avg: £4,476 GBP|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4£3,071 GBP
Retailer 9£3,642 GBP
Retailer 10£3,683 GBP
Retailer 5£4,154 GBP
Retailer 6£4,154 GBP
Retailer 8£4,154 GBP
Retailer 3£4,520 GBP
Retailer 2£4,681 GBP
Retailer 7£4,794 GBP
Retailer 11£5,039 GBP
NZ Jewellers£6,948 GBP

33 data points across 11 retailers

8 retailers£3,071 GBP to £6,948 GBP

A
Cheapest Retailer
-
£3,071 GBP
HK$32,200 HKD
B+
Retailer 2
-
£3,642 GBP
$4,887 USD
View
B+
Retailer 3
-
£4,154 GBP
$5,575 USD
View
B+
Retailer 4
-
£4,154 GBP
$5,575 USD
View
B+
Retailer 5
-
£4,154 GBP
$5,575 USD
View
B
Retailer 6
-
£4,681 GBP
€5,983 EUR
View
B+
Retailer 7
-
£4,794 GBP
$6,433 USD
View
Most Expensive
B
NZ Jewellers
d46889a4-df40-4a38-9498-272552b9d27d · Oct 30
£6,948 GBP
$9,324 USD
View
7 more retailers have this diamond
Prices start from £3,071 GBPSave up to £3,877 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
£3,071 GBP