Round|Natural|GIA

1.70ct E IF Round Natural Diamond

EX • E/IF

Diamond specifications and retailer prices

From £14,448 GBP
$19,240 USD
As of October 29, 2026
Save £8,502 GBP (37%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £23,748 GBP at NZ Jewellers · As of September 10, 2026
View at NZ Jewellers

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. Listed at 14 retailers as of October 27, 2026, with a 59% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
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
Side View
Table 59.0%CrownGirdle: ThinPavilionCulet: 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 29
Current: £22,950 GBP|Low: £14,448 GBP|High: £23,748 GBP|Avg: £18,481 GBP|-3.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6£14,448 GBP
Retailer 3£16,297 GBP
Retailer 10£16,764 GBP
Retailer 5£17,010 GBP
Retailer 4£17,455 GBP
Retailer 11£18,160 GBP
Retailer 7£18,199 GBP
Retailer 9£18,225 GBP
Retailer 8£19,547 GBP
Retailer 2£19,800 GBP
NZ Jewellers£22,950 GBP

43 data points across 11 retailers

14 retailers£14,448 GBP to £22,950 GBP

A
Cheapest Retailer
-
£14,448 GBP
$19,240 USD
A
Retailer 2
-
£16,297 GBP
CA$30,142 CAD
View
A
Retailer 3
-
£17,010 GBP
$22,652 USD
View
A
Retailer 4
-
£17,455 GBP
View
Retailer 5
-
£17,602 GBP
$23,440 USD
View
Price last confirmed 30 days ago
Retailer 6
-
£18,160 GBP
$24,184 USD
View
Price last confirmed 48 days ago
B+
Retailer 7
-
£18,199 GBP
$24,235 USD
View
A
Retailer 8
-
£18,225 GBP
$24,270 USD
View
Retailer 9
-
£18,859 GBP
$25,114 USD
View
Price last confirmed 53 days ago
Retailer 10
-
£18,859 GBP
$25,114 USD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
£19,547 GBP
$26,030 USD
View
B+
Retailer 12
-
£19,800 GBP
A$40,565 AUD
View
B
Retailer 13
-
£22,950 GBP
$30,562 USD
View
Most Expensive
NZ Jewellers
d404bfee-63ec-4f46-89b7-f7ea6675d286 · Sep 10
£23,748 GBP
$31,625 USD
View
Price last confirmed 49 days ago
13 more retailers have this diamond
Prices start from £14,448 GBPSave up to £8,502 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
£14,448 GBP