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Oval|Natural|GIA

1.70ct J IF Oval Natural Diamond

ID • J/IF • GIA 5

Certificate GIA 5

Diamond specifications and retailer prices

From £6,116 GBP
$8,195 USD
As of October 31, 2026
Save £1,611 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £7,728 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from £6,116 to £7,728, a £1,611 spread on the same certified stone. Blue Nile lists it at £7,728. 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
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5
Dimensions9.25 × 6.60 × 4.16 mm
L/W Ratio1.40
Top View
9.25 mm6.60 mm1.70 ctJ / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £7,728 GBP|Low: £6,116 GBP|High: £7,728 GBP|Avg: £6,675 GBP
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2£6,116 GBP
Retailer 3£6,709 GBP
Blue Nile£7,728 GBP

2 data points across 3 retailers

3 retailers£6,116 GBP to £7,728 GBP

B+
Cheapest Retailer
-
£6,116 GBP
$8,195 USD
B+
Retailer 2
-
£6,709 GBP
$8,989 USD
View
Most Expensive
B
Blue Nile
24961616 · Oct 31
£7,728 GBP
$10,354 USD
View
2 more retailers have this diamond
Prices start from £6,116 GBPSave up to £1,611 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 Oval
£6,116 GBP