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Round|Natural|GIA

1.70ct E IF Round Natural Diamond

EX • E/IF • GIA 2557156383

Certificate GIA 2557156383

Diamond specifications and retailer prices

From £14,745 GBP
€18,700 EUR
As of October 28, 2026
Save £10,692 GBP (42%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £25,437 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 2557156383. Listed at 27 retailers as of October 28, 2026, with prices from £14,745 to £25,437, a £10,692 spread on the same certified stone. MOH London lists it at £25,437. 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
OriginNatural
Grading LabGIA
CertificateGIA 2557156383
Dimensions7.83 × 7.84 × 4.64 mm
L/W Ratio1.00
Top View
7.83 mm7.84 mm1.70 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557156383
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 59.2%

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: £25,437 GBP|Low: £13,482 GBP|High: £26,496 GBP|Avg: £18,391 GBP|-2.8%
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
Retailer 19
October 29, 2026
Retailer 5£14,745 GBP
Retailer 19£14,867 GBP
Retailer 4£14,893 GBP
Retailer 15£15,005 GBP
Retailer 16£15,390 GBP
Retailer 3£15,525 GBP
Retailer 6£15,630 GBP
Retailer 2£16,200 GBP
Retailer 12£16,519 GBP
Retailer 8£16,654 GBP
Retailer 13£16,802 GBP
Retailer 11£17,310 GBP
Retailer 14£17,550 GBP
Retailer 17£17,864 GBP
Retailer 9£18,405 GBP
Retailer 10£19,485 GBP
Retailer 18£19,522 GBP
Retailer 7£23,674 GBP
MOH London£25,437 GBP

38 data points across 19 retailers

27 retailers£14,745 GBP to £25,437 GBP

A
Cheapest Retailer
-
£14,745 GBP
€18,700 EUR
A
Retailer 2
-
£14,867 GBP
$19,798 USD
View
A
Retailer 3
-
£14,893 GBP
$19,833 USD
View
A
Retailer 4
-
£15,005 GBP
$19,982 USD
View
A
Retailer 5
-
£15,390 GBP
$20,495 USD
View
A
Retailer 6
-
£15,525 GBP
$20,674 USD
View
Final sale: no returns
A
Retailer 7
-
£15,630 GBP
$20,814 USD
View
A
Retailer 8
-
£16,200 GBP
$21,573 USD
View
A
Retailer 9
-
£16,519 GBP
View
A
Retailer 10
-
£16,654 GBP
$22,178 USD
View
A
Retailer 11
-
£16,802 GBP
$22,375 USD
View
A
Retailer 12
-
£17,310 GBP
A$35,463 AUD
View
Price last confirmed 25 days ago
A
Retailer 13
-
£17,550 GBP
$23,371 USD
View
A
Retailer 14
-
£17,864 GBP
View
A
Retailer 15
-
£17,915 GBP
$23,857 USD
View
A
Retailer 16
-
£18,160 GBP
$24,184 USD
View
Price last confirmed 36 days ago
A
Retailer 17
-
£18,160 GBP
$24,184 USD
View
Price last confirmed 31 days ago
A
Retailer 18
-
£18,405 GBP
$24,510 USD
View
A
Retailer 19
-
£18,715 GBP
$24,922 USD
View
B+
Retailer 20
-
£18,859 GBP
$25,114 USD
View
Price last confirmed 37 days ago
B+
Retailer 21
-
£18,859 GBP
$25,114 USD
View
Price last confirmed 32 days ago
B+
Retailer 22
-
£19,485 GBP
$25,948 USD
View
A
Retailer 23
-
£19,522 GBP
€24,759 EUR
View
B+
Retailer 24
-
£23,674 GBP
ZAR 509,316 ZAR
View
B+
Retailer 25
-
£23,748 GBP
$31,625 USD
View
Price last confirmed 38 days ago
B+
Retailer 26
-
£23,748 GBP
$31,625 USD
View
Price last confirmed 31 days ago
Most Expensive
B+
MOH London
C97D62C34 · Oct 29
£25,437 GBP
View
26 more retailers have this diamond
Prices start from £14,745 GBPSave up to £10,692 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
£14,745 GBP