CaratHunter
Plans
Round|Natural|GIA

1.70ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6512642989

Certificate GIA 6512642989

Diamond specifications and retailer prices

From €10,017 EUR
$11,235 USD
As of November 1, 2026
Save €8,486 EUR (46%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €18,503 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 6512642989. Listed at 25 retailers as of November 1, 2026, with prices from €10,017 to €18,503, a €8,486 spread on the same certified stone. NZ Jewellers lists it at €18,503. 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
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6512642989
Dimensions7.71 × 7.68 × 4.66 mm
L/W Ratio1.00
Top View
7.71 mm7.68 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512642989
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €18,503 EUR|Low: €10,017 EUR|High: €18,503 EUR|Avg: €12,729 EUR
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
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 2, 2026
Retailer 22€10,017 EUR
Retailer 12€10,134 EUR
Retailer 9€10,300 EUR
Retailer 25€10,461 EUR
Retailer 8€10,617 EUR
Retailer 6€10,733 EUR
Retailer 24€10,926 EUR
Retailer 5€11,102 EUR
Retailer 2€11,760 EUR
Retailer 23€11,842 EUR
Retailer 14€11,849 EUR
Retailer 21€11,915 EUR
Retailer 3€11,974 EUR
Retailer 10€12,027 EUR
Retailer 18€12,489 EUR
Retailer 4€12,776 EUR
Retailer 15€12,776 EUR
Retailer 16€12,861 EUR
Retailer 17€13,204 EUR
Retailer 13€13,351 EUR
Retailer 11€13,562 EUR
Retailer 7€13,837 EUR
Retailer 20€16,310 EUR
Retailer 19€17,338 EUR
NZ Jewellers€18,503 EUR

39 data points across 25 retailers

25 retailers€10,017 EUR to €18,503 EUR

B+
Cheapest Retailer
-
€10,017 EUR
$11,235 USD
B+
Retailer 2
-
€10,134 EUR
$11,366 USD
View
B+
Retailer 3
-
€10,300 EUR
$11,552 USD
View
B+
Retailer 4
-
€10,461 EUR
CA$16,296 CAD
View
B+
Retailer 5
-
€10,617 EUR
$11,908 USD
View
B+
Retailer 6
-
€10,733 EUR
$12,038 USD
View
Final sale: no returns
B
Retailer 7
-
€10,926 EUR
$12,255 USD
View
B
Retailer 8
-
€11,102 EUR
$12,452 USD
View
B+
Retailer 9
-
€11,760 EUR
£10,386 GBP
View
B
Retailer 10
-
€11,842 EUR
$13,282 USD
View
B
Retailer 11
-
€11,849 EUR
$13,290 USD
View
Retailer 12
-
€11,915 EUR
A$20,560 AUD
View
Price last confirmed 9 days ago
B
Retailer 13
-
€11,974 EUR
$13,430 USD
View
B
Retailer 14
-
€12,027 EUR
$13,489 USD
View
B
Retailer 15
-
€12,489 EUR
$14,008 USD
View
B
Retailer 16
-
€12,776 EUR
$14,330 USD
View
B
Retailer 17
-
€12,776 EUR
$14,330 USD
View
B
Retailer 18
-
€12,861 EUR
$14,425 USD
View
B
Retailer 19
-
€13,204 EUR
$14,810 USD
View
B
Retailer 20
-
€13,351 EUR
View
Retailer 21
-
€13,562 EUR
$15,211 USD
View
Price last confirmed 7 days ago
B
Retailer 22
-
€13,837 EUR
$15,520 USD
View
B
Retailer 23
-
€16,310 EUR
ZAR 295,527 ZAR
View
B
Retailer 24
-
€17,338 EUR
£15,312 GBP
View
Most Expensive
B
NZ Jewellers
4d6e6f35-4d78-4bfd-996e-f4a7877ec56a · Nov 2
€18,503 EUR
$20,753 USD
View
24 more retailers have this diamond
Prices start from €10,017 EURSave up to €8,486 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.

B+
1.70ct Round
€10,017 EUR