Oval|Natural|GIA

1.70ct I I1 Oval Natural Diamond

EX • I/I1 • GIA 1236899362

Certificate GIA 1236899362

Diamond specifications and retailer prices

From £4,324 GBP
$5,794 USD
As of October 31, 2026
Save £5,606 GBP (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £9,930 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural oval diamond

This 1.7ct natural oval 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 stated by the retailer rather than the lab and certified by GIA 1236899362. Listed at 8 retailers as of October 30, 2026, with prices from £4,324 to £9,930, a £5,606 spread on the same certified stone. NZ Jewellers lists it at £9,930. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1236899362
Dimensions9.21 × 6.65 × 4.24 mm
L/W Ratio1.38
Culet sizeNone
Cert comments
2%+ RAP FOR MEMO INSCRIBED VERY GOOD SI2 SPREADY INC MOSTLY WHITE BET GIRDLE & TABLE EYE CLN
Top View
9.21 mm6.65 mm1.70 ctI / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1236899362
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.8%

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: Oct 31
Current: £9,930 GBP|Low: £4,285 GBP|High: £9,930 GBP|Avg: £5,912 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8£4,324 GBP
Retailer 7£4,691 GBP
Retailer 3£4,965 GBP
Retailer 6£5,379 GBP
Retailer 5£5,462 GBP
Retailer 9£5,737 GBP
Retailer 2£6,131 GBP
Retailer 4£6,206 GBP
NZ Jewellers£9,930 GBP

23 data points across 9 retailers

8 retailers£4,324 GBP to £9,930 GBP

B+
Cheapest Retailer
-
£4,324 GBP
$5,794 USD
B
Retailer 2
-
£4,691 GBP
$6,285 USD
View
B
Retailer 3
-
£4,965 GBP
$6,653 USD
View
B
Retailer 4
-
£5,379 GBP
$7,207 USD
View
B
Retailer 5
-
£5,462 GBP
$7,318 USD
View
B
Retailer 6
-
£6,131 GBP
€7,824 EUR
View
B
Retailer 7
-
£6,206 GBP
$8,316 USD
View
Most Expensive
C
NZ Jewellers
b99b48b7-ab93-4ffa-a271-4577689e8ed1 · Oct 30
£9,930 GBP
$13,305 USD
View
7 more retailers have this diamond
Prices start from £4,324 GBPSave up to £5,606 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
£4,324 GBP