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Round|Natural|GIA

1.70ct D IF Round Natural Diamond

EX • D/IF • GIA 1519513878

Certificate GIA 1519513878

Diamond specifications and retailer prices

From £15,986 GBP
€20,400 EUR
As of October 29, 2026
Save £13,364 GBP (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £29,351 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1519513878. Listed at 8 retailers as of October 29, 2026, with prices from £15,986 to £29,351, a £13,364 spread on the same certified stone. MOH London lists it at £29,351. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1519513878
Dimensions7.55 × 7.59 × 4.75 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.55 mm7.59 mm1.70 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519513878
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £29,351 GBP|Low: £15,861 GBP|High: £30,140 GBP|Avg: £20,323 GBP|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 6£15,986 GBP
Retailer 2£17,147 GBP
Retailer 5£18,505 GBP
Retailer 4£18,857 GBP
Retailer 7£19,031 GBP
Retailer 3£21,910 GBP
MOH London£29,351 GBP

38 data points across 7 retailers

8 retailers£15,986 GBP to £29,351 GBP

A+
Cheapest Retailer
-
£15,986 GBP
€20,400 EUR
A
Retailer 2
-
£17,147 GBP
₹2,188,097 INR
View
Retailer 3
-
£18,337 GBP
$24,570 USD
View
Price last confirmed 37 days ago
A
Retailer 4
-
£18,505 GBP
$24,795 USD
View
A
Retailer 5
-
£18,857 GBP
View
Retailer 6
-
£19,031 GBP
A$39,231 AUD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
£21,910 GBP
€27,959 EUR
View
Most Expensive
B
MOH London
61D0CCB99 · Oct 29
£29,351 GBP
View
7 more retailers have this diamond
Prices start from £15,986 GBPSave up to £13,364 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
£15,986 GBP