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Oval|Natural|GIA

1.70ct F SI1 Oval Natural Diamond

GD • F/SI1 • GIA 6542565251

Certificate GIA 6542565251

Diamond specifications and retailer prices

From £8,171 GBP
$10,965 USD
As of November 2, 2026
Save £7,779 GBP (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £15,950 GBP at MOH London · As of November 2, 2026
View at MOH London

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6542565251. Listed at 18 retailers as of November 2, 2026, with prices from £8,171 to £15,950, a £7,779 spread on the same certified stone. MOH London lists it at £15,950. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542565251
Dimensions8.91 × 6.69 × 4.34 mm
L/W Ratio1.33
Top View
8.91 mm6.69 mm1.70 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542565251
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £15,950 GBP|Low: £8,171 GBP|High: £16,143 GBP|Avg: £11,248 GBP|-1.1%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 9£8,171 GBP
Retailer 14£9,188 GBP
Retailer 3£9,449 GBP
Retailer 5£9,476 GBP
Retailer 7£10,030 GBP
Retailer 16£10,213 GBP
Retailer 18£10,392 GBP
Retailer 10£10,671 GBP
Retailer 15£10,894 GBP
Retailer 2£10,908 GBP
Retailer 13£10,911 GBP
Retailer 6£11,064 GBP
Retailer 8£11,489 GBP
Retailer 4£11,771 GBP
Retailer 11£12,864 GBP
Retailer 17£14,469 GBP
Retailer 12£15,004 GBP
MOH London£15,950 GBP

45 data points across 18 retailers

18 retailers£8,171 GBP to £15,950 GBP

B
Cheapest Retailer
-
£8,171 GBP
$10,965 USD
B
Retailer 2
-
£8,689 GBP
A$17,938 AUD
View
B
Retailer 3
-
£9,188 GBP
$12,330 USD
View
B
Retailer 4
-
£9,449 GBP
$12,680 USD
View
B
Retailer 5
-
£9,476 GBP
$12,716 USD
View
B
Retailer 6
-
£10,030 GBP
$13,460 USD
View
B
Retailer 7
-
£10,213 GBP
$13,705 USD
View
B
Retailer 8
-
£10,392 GBP
$13,945 USD
View
B
Retailer 9
-
£10,894 GBP
$14,619 USD
View
B
Retailer 10
-
£10,908 GBP
View
B
Retailer 11
-
£10,911 GBP
A$22,525 AUD
View
B
Retailer 12
-
£11,064 GBP
$14,847 USD
View
B
Retailer 13
-
£11,489 GBP
$15,418 USD
View
B
Retailer 14
-
£11,771 GBP
$15,796 USD
View
B
Retailer 15
-
£12,864 GBP
€16,441 EUR
View
C
Retailer 16
-
£14,469 GBP
$19,416 USD
View
B
Retailer 17
-
£15,004 GBP
ZAR 325,284 ZAR
View
Most Expensive
B
MOH London
00A6D7E82 · Nov 2
£15,950 GBP
View
17 more retailers have this diamond
Prices start from £8,171 GBPSave up to £7,779 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
£8,171 GBP