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Round|Natural|GIA

1.70ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6552116645

Certificate GIA 6552116645

Diamond specifications and retailer prices

From £3,475 GBP
$4,656 USD
As of November 1, 2026
Save £2,604 GBP (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,954 GBP at NZ Jewellers · As of October 20, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6552116645. Listed at 9 retailers as of October 26, 2026, with a 75% 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
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552116645
Dimensions7.55 × 7.59 × 4.74 mm
L/W Ratio1.01
Top View
7.55 mm7.59 mm1.70 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552116645
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £6,954 GBP|Low: £2,732 GBP|High: £6,954 GBP|Avg: £4,239 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
Retailer 14
November 1, 2026
Retailer 5£2,732 GBP
Retailer 14£2,953 GBP
Retailer 9£3,475 GBP
Retailer 4£3,536 GBP
Retailer 8£3,731 GBP
Retailer 6£3,896 GBP
Retailer 10£4,007 GBP
Retailer 12£4,262 GBP
Retailer 13£4,262 GBP
Retailer 3£4,401 GBP
Retailer 11£4,403 GBP
Retailer 2£4,684 GBP
Retailer 7£6,079 GBP
NZ Jewellers£6,954 GBP

14 data points across 14 retailers

9 retailers£3,475 GBP to £6,079 GBP

B+
Cheapest Retailer
-
£3,475 GBP
$4,656 USD
B
Retailer 2
-
£3,731 GBP
$4,999 USD
View
B
Retailer 3
-
£4,007 GBP
$5,369 USD
View
B
Retailer 4
-
£4,262 GBP
$5,710 USD
View
B
Retailer 5
-
£4,262 GBP
$5,710 USD
View
B
Retailer 6
-
£4,403 GBP
$5,900 USD
View
B
Retailer 7
-
£4,684 GBP
€5,977 EUR
View
B
Retailer 8
-
£6,079 GBP
$8,146 USD
View
Most Expensive
NZ Jewellers
2292ac7e-c822-405e-82b7-5ffe14e3f5d5 · Oct 20
£6,954 GBP
$9,317 USD
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from £3,475 GBPSave up to £2,604 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.

B+
1.70ct Round
£3,475 GBP