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Round|Natural|GIA

1.70ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5242078578

Certificate GIA 5242078578

Diamond specifications and retailer prices

From €6,003 EUR
HK$52,600 HKD
As of November 1, 2026
Save €7,447 EUR (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €13,449 EUR at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242078578. Listed at 23 retailers as of November 1, 2026, with prices from €6,003 to €13,449, a €7,447 spread on the same certified stone. NZ Jewellers lists it at €13,449. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242078578
Dimensions7.52 × 7.60 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Etch Channel, Indented Natural, Needle, Natural
Top View
7.52 mm7.60 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5242078578
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.5%

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: Nov 1
Current: €13,449 EUR|Low: €6,003 EUR|High: €13,729 EUR|Avg: €8,688 EUR|-2.0%
NZ Jewellers
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
Retailer 20
November 3, 2026
Retailer 8€6,003 EUR
Retailer 14€6,413 EUR
Retailer 18€6,901 EUR
Retailer 3€6,927 EUR
Retailer 7€7,423 EUR
Retailer 2€7,448 EUR
Retailer 20€7,463 EUR
Retailer 11€7,577 EUR
Retailer 10€7,785 EUR
Retailer 12€7,809 EUR
Retailer 4€8,041 EUR
Retailer 13€8,165 EUR
Retailer 17€8,218 EUR
Retailer 16€8,748 EUR
Retailer 15€8,804 EUR
Retailer 6€9,279 EUR
Retailer 5€9,879 EUR
Retailer 19€11,208 EUR
Retailer 9€11,736 EUR
NZ Jewellers€13,449 EUR

24 data points across 20 retailers

23 retailers€6,003 EUR to €13,449 EUR

A
Cheapest Retailer
-
€6,003 EUR
HK$52,600 HKD
A
Retailer 2
-
€6,413 EUR
₹685,020 INR
View
Retailer 3
-
€6,635 EUR
$7,442 USD
View
Price last confirmed 25 days ago
Retailer 4
-
€6,786 EUR
SGD 10,285 SGD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€6,901 EUR
$7,740 USD
View
B+
Retailer 6
-
€6,927 EUR
$7,769 USD
View
B+
Retailer 7
-
€7,423 EUR
$8,326 USD
View
Final sale: no returns
B+
Retailer 8
-
€7,448 EUR
£6,577 GBP
View
B+
Retailer 9
-
€7,462 EUR
$8,369 USD
View
B+
Retailer 10
-
€7,463 EUR
$8,370 USD
View
Retailer 11
-
€7,577 EUR
$8,498 USD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
€7,785 EUR
SGD 11,800 SGD
View
Retailer 13
-
€7,809 EUR
A$13,475 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
€8,041 EUR
$9,019 USD
View
B+
Retailer 15
-
€8,165 EUR
$9,158 USD
View
B+
Retailer 16
-
€8,218 EUR
$9,217 USD
View
B+
Retailer 17
-
€8,748 EUR
View
B+
Retailer 18
-
€8,804 EUR
£7,775 GBP
View
B+
Retailer 19
-
€9,279 EUR
$10,407 USD
View
B+
Retailer 20
-
€9,879 EUR
ZAR 179,008 ZAR
View
B
Retailer 21
-
€11,208 EUR
£9,898 GBP
View
B
Retailer 22
-
€11,736 EUR
£10,365 GBP
View
Most Expensive
B
NZ Jewellers
cd4521ce-b34f-4ce7-ad0e-7a1ae77c7161 · Nov 2
€13,449 EUR
$15,085 USD
View
22 more retailers have this diamond
Prices start from €6,003 EURSave up to €7,447 EUR

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
€6,003 EUR