Round|Natural|GIA

1.70ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2537056253

Certificate GIA 2537056253

Diamond specifications and retailer prices

From €8,137 EUR
HK$71,300 HKD
As of November 1, 2026
Save €5,785 EUR (42%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €14,856 EUR at NZ Jewellers · As of September 28, 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 2537056253. Listed at 24 retailers as of November 1, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2537056253
Dimensions7.61 × 7.56 × 4.75 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.61 mm7.56 mm1.70 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537056253
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: €9,695 EUR|Low: €8,137 EUR|High: €14,089 EUR|Avg: €10,745 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 13€8,137 EUR
Retailer 7€8,668 EUR
Retailer 12€9,046 EUR
Retailer 1€9,695 EUR
Retailer 5€9,815 EUR
Retailer 4€9,839 EUR
Retailer 2€9,839 EUR
Retailer 10€9,861 EUR
Retailer 3€10,913 EUR
Retailer 6€11,204 EUR
Retailer 9€13,096 EUR
Retailer 11€13,752 EUR
Retailer 8€13,922 EUR

36 data points across 13 retailers

24 retailers€8,137 EUR to €13,922 EUR

B+
Cheapest Retailer
-
€8,137 EUR
HK$71,300 HKD
B+
Retailer 2
-
€8,668 EUR
₹925,859 INR
View
B+
Retailer 3
-
€8,725 EUR
$9,786 USD
View
B
Retailer 4
-
€9,046 EUR
$10,146 USD
View
Retailer 5
-
€9,657 EUR
$10,831 USD
View
Price last confirmed 26 days ago
Retailer 6
-
€9,657 EUR
$10,831 USD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
€9,695 EUR
£8,562 GBP
View
Retailer 8
-
€9,806 EUR
$10,998 USD
View
Price last confirmed 34 days ago
Retailer 9
-
€9,815 EUR
A$16,936 AUD
View
Price last confirmed 10 days ago
B
Retailer 10
-
€9,839 EUR
$11,035 USD
View
Final sale: no returns
B
Retailer 11
-
€9,839 EUR
$11,036 USD
View
B+
Retailer 12
-
€9,859 EUR
$11,058 USD
View
B+
Retailer 13
-
€9,861 EUR
$11,060 USD
View
Retailer 14
-
€10,503 EUR
$11,780 USD
View
Price last confirmed 11 days ago
Retailer 15
-
€10,503 EUR
$11,780 USD
View
Price last confirmed 11 days ago
Retailer 16
-
€10,851 EUR
$12,170 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
€10,913 EUR
$12,240 USD
View
Retailer 18
-
€11,142 EUR
$12,497 USD
View
Price last confirmed 34 days ago
B
Retailer 19
-
€11,204 EUR
View
Retailer 20
-
€11,730 EUR
$13,156 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
€13,096 EUR
ZAR 237,287 ZAR
View
B
Retailer 22
-
€13,752 EUR
£12,145 GBP
View
B
Retailer 23
-
€13,922 EUR
£12,295 GBP
View
Most Expensive
NZ Jewellers
82a42311-3b1d-4c10-a825-518f0b276246 · Sep 28
€14,856 EUR
$16,663 USD
View
Price last confirmed 36 days ago
23 more retailers have this diamond
Prices start from €8,137 EURSave up to €5,785 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
€8,137 EUR