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Round|Natural|GIA

1.70ct E IF Round Natural Diamond

EX • E/IF • GIA 1425225884

Certificate GIA 1425225884

Diamond specifications and retailer prices

From £16,439 GBP
$21,892 USD
As of October 28, 2026
Save £8,747 GBP (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £25,187 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct natural round diamond

This 1.7ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1425225884. Listed at 13 retailers as of October 28, 2026, with prices from £16,439 to £25,187, a £8,747 spread on the same certified stone. MOH London lists it at £25,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1425225884
Dimensions7.68 × 7.62 × 4.71 mm
L/W Ratio1.01
Key to symbols
Minor Details of Polish
Top View
7.68 mm7.62 mm1.70 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1425225884
Side View
Table 60.0%Crown 35.5°GirdlePavilion 41.2°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £25,187 GBP|Low: £16,439 GBP|High: £25,187 GBP|Avg: £19,944 GBP
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
October 29, 2026
Retailer 4£16,439 GBP
Retailer 2£16,519 GBP
Retailer 5£16,968 GBP
Retailer 7£17,283 GBP
Retailer 6£18,405 GBP
Retailer 10£18,592 GBP
Retailer 12£18,724 GBP
Retailer 11£19,182 GBP
Retailer 8£19,433 GBP
Retailer 14£19,919 GBP
Retailer 9£20,104 GBP
Retailer 13£22,484 GBP
Retailer 3£22,725 GBP
MOH London£25,187 GBP

37 data points across 14 retailers

13 retailers£16,439 GBP to £25,187 GBP

A
Cheapest Retailer
-
£16,439 GBP
$21,892 USD
A
Retailer 2
-
£16,519 GBP
View
A
Retailer 3
-
£16,968 GBP
$22,596 USD
View
Final sale: no returns
A
Retailer 4
-
£17,283 GBP
View
A
Retailer 5
-
£18,405 GBP
$24,510 USD
View
A
Retailer 6
-
£18,592 GBP
$24,758 USD
View
A
Retailer 7
-
£18,724 GBP
$24,934 USD
View
A
Retailer 8
-
£19,182 GBP
$25,544 USD
View
B+
Retailer 9
-
£19,433 GBP
€24,646 EUR
View
B+
Retailer 10
-
£19,919 GBP
$26,526 USD
View
B+
Retailer 11
-
£20,104 GBP
View
B+
Retailer 12
-
£22,725 GBP
$30,262 USD
View
Most Expensive
B+
MOH London
EF6A7422E · Oct 29
£25,187 GBP
View
12 more retailers have this diamond
Prices start from £16,439 GBPSave up to £8,747 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.

A
1.70ct Round
£16,439 GBP