Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6422461913

Certificate GIA 6422461913

Diamond specifications and retailer prices

From £2,072 GBP
₹262,197 INR
As of October 27, 2026
Save £2,662 GBP (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,734 GBP at NZ Jewellers · As of October 27, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422461913. Listed at 14 retailers as of October 27, 2026, with prices from £2,072 to £4,734, a £2,662 spread on the same certified stone. NZ Jewellers lists it at £4,734. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422461913
Dimensions7.61 × 7.58 × 4.79 mm
L/W Ratio1.00
Top View
7.61 mm7.58 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422461913
Side View
Table 58.0%Crown 34.5°Girdle: MED-MEDPavilion 41.8°Culet: NoneDepth 63.1%

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: Oct 27
Current: £2,814 GBP|Low: £2,062 GBP|High: £4,599 GBP|Avg: £2,986 GBP|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3£2,072 GBP
Retailer 6£2,508 GBP
Retailer 1£2,814 GBP
Retailer 5£3,149 GBP
Retailer 2£3,163 GBP
Retailer 4£4,550 GBP

44 data points across 6 retailers

14 retailers£2,072 GBP to £4,734 GBP

A
Cheapest Retailer
-
£2,072 GBP
₹262,197 INR
A
Retailer 2
-
£2,412 GBP
$3,205 USD
View
A
Retailer 3
-
£2,508 GBP
$3,332 USD
View
Final sale: no returns
A
Retailer 4
-
£2,717 GBP
$3,610 USD
View
A
Retailer 5
-
£2,717 GBP
$3,610 USD
View
A
Retailer 6
-
£2,814 GBP
View
A
Retailer 7
-
£2,821 GBP
$3,749 USD
View
A
Retailer 8
-
£2,827 GBP
$3,756 USD
View
A
Retailer 9
-
£2,876 GBP
$3,821 USD
View
B+
Retailer 10
-
£3,135 GBP
$4,166 USD
View
B+
Retailer 11
-
£3,149 GBP
View
A
Retailer 12
-
£3,163 GBP
€4,003 EUR
View
B
Retailer 13
-
£4,550 GBP
View
Most Expensive
B
NZ Jewellers
6ab86b19-9baa-428f-8872-e3e823151a1d · Oct 27
£4,734 GBP
$6,290 USD
View
13 more retailers have this diamond
Prices start from £2,072 GBPSave up to £2,662 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
£2,072 GBP