Oval|Natural|GIA

1.70ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 5546634366

Certificate GIA 5546634366

Diamond specifications and retailer prices

From £6,820 GBP
HK$71,500 HKD
As of November 1, 2026
Save £6,045 GBP (47%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £12,865 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546634366. Listed at 19 retailers as of October 30, 2026, with prices from £6,820 to £12,865, a £6,045 spread on the same certified stone. NZ Jewellers lists it at £12,865. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546634366
Dimensions9.18 × 6.48 × 4.09 mm
L/W Ratio1.42
Top View
9.18 mm6.48 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546634366
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.1%

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: £8,636 GBP|Low: £7,810 GBP|High: £12,201 GBP|Avg: £9,267 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2£7,810 GBP
Retailer 10£7,905 GBP
Retailer 5£8,340 GBP
Retailer 11£8,402 GBP
Retailer 8£8,504 GBP
Retailer 9£8,521 GBP
Retailer 1£8,636 GBP
Retailer 3£9,372 GBP
Retailer 4£9,723 GBP
Retailer 7£11,340 GBP
Retailer 6£12,055 GBP

38 data points across 11 retailers

19 retailers£6,820 GBP to £12,865 GBP

B+
Cheapest Retailer
-
£6,820 GBP
HK$71,500 HKD
Retailer 2
-
£7,542 GBP
SGD 13,676 SGD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
£7,810 GBP
$10,481 USD
View
B+
Retailer 4
-
£7,905 GBP
$10,608 USD
View
B+
Retailer 5
-
£8,340 GBP
View
B
Retailer 6
-
£8,402 GBP
$11,275 USD
View
Retailer 7
-
£8,504 GBP
A$17,557 AUD
View
Price last confirmed 9 days ago
B
Retailer 8
-
£8,521 GBP
$11,434 USD
View
B
Retailer 9
-
£8,521 GBP
$11,434 USD
View
Final sale: no returns
B+
Retailer 10
-
£8,636 GBP
View
B
Retailer 11
-
£9,198 GBP
$12,343 USD
View
B
Retailer 12
-
£9,230 GBP
$12,386 USD
View
B
Retailer 13
-
£9,372 GBP
$12,577 USD
View
B
Retailer 14
-
£9,452 GBP
$12,683 USD
View
B
Retailer 15
-
£9,723 GBP
€12,426 EUR
View
B
Retailer 16
-
£10,650 GBP
$14,292 USD
View
B
Retailer 17
-
£11,340 GBP
ZAR 245,841 ZAR
View
B
Retailer 18
-
£12,055 GBP
View
Most Expensive
B
NZ Jewellers
1cf6bfb9-d80a-4876-a76a-f16b53261180 · Oct 30
£12,865 GBP
$17,264 USD
View
18 more retailers have this diamond
Prices start from £6,820 GBPSave up to £6,045 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
£6,820 GBP