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Round|Natural|GIA

1.70ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2567207896

Certificate GIA 2567207896

Diamond specifications and retailer prices

From £3,076 GBP
HK$32,200 HKD
As of October 30, 2026
Save £3,847 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £6,923 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567207896. Listed at 19 retailers as of October 30, 2026, with prices from £3,076 to £6,923, a £3,847 spread on the same certified stone. NZ Jewellers lists it at £6,923. 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 angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2567207896
Dimensions7.57 × 7.64 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle, Indented Natural, Natural
Top View
7.57 mm7.64 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567207896
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 30
Current: £6,923 GBP|Low: £3,294 GBP|High: £6,923 GBP|Avg: £4,564 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2£3,304 GBP
Retailer 3£3,657 GBP
Retailer 5£3,820 GBP
Retailer 4£3,904 GBP
Retailer 7£4,012 GBP
Retailer 10£4,139 GBP
Retailer 11£4,139 GBP
Retailer 12£4,139 GBP
Retailer 9£4,677 GBP
Retailer 13£4,777 GBP
Retailer 6£5,372 GBP
Retailer 8£6,628 GBP
NZ Jewellers£6,923 GBP

28 data points across 13 retailers

19 retailers£3,076 GBP to £6,923 GBP

A
Cheapest Retailer
-
£3,076 GBP
HK$32,200 HKD
A
Retailer 2
-
£3,304 GBP
₹421,568 INR
View
B+
Retailer 3
-
£3,653 GBP
$4,895 USD
View
B+
Retailer 4
-
£3,657 GBP
$4,900 USD
View
B+
Retailer 5
-
£3,776 GBP
$5,059 USD
View
B+
Retailer 6
-
£3,820 GBP
$5,119 USD
View
Final sale: no returns
B+
Retailer 7
-
£3,904 GBP
SGD 7,069 SGD
View
B+
Retailer 8
-
£3,947 GBP
SGD 7,146 SGD
View
B+
Retailer 9
-
£4,012 GBP
View
B+
Retailer 10
-
£4,090 GBP
$5,480 USD
View
B+
Retailer 11
-
£4,139 GBP
$5,546 USD
View
B+
Retailer 12
-
£4,139 GBP
$5,546 USD
View
B+
Retailer 13
-
£4,139 GBP
$5,546 USD
View
B+
Retailer 14
-
£4,254 GBP
$5,700 USD
View
B+
Retailer 15
-
£4,677 GBP
€5,968 EUR
View
B
Retailer 16
-
£4,777 GBP
$6,400 USD
View
B
Retailer 17
-
£5,372 GBP
View
B
Retailer 18
-
£6,628 GBP
View
Most Expensive
B
NZ Jewellers
160cf66f-fbd7-4f7c-8f76-ad249325e847 · Oct 30
£6,923 GBP
$9,276 USD
View
18 more retailers have this diamond
Prices start from £3,076 GBPSave up to £3,847 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
£3,076 GBP