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Oval|Natural|GIA

1.70ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1558250123

Certificate GIA 1558250123

Diamond specifications and retailer prices

From €7,974 EUR
HK$69,600 HKD
As of October 30, 2026
Save €7,369 EUR (48%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €15,344 EUR at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.7ct natural oval diamond

This 1.7ct natural oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558250123. Listed at 25 retailers as of October 30, 2026, with prices from €7,974 to €15,344, a €7,369 spread on the same certified stone. With Clarity lists it at €15,344. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.08°
Pavilion angle34.97°
OriginNatural
Grading LabGIA
CertificateGIA 1558250123
Dimensions9.09 × 6.48 × 4.10 mm
L/W Ratio1.40
Key to symbols
Crystal, Feather, Cloud, Pinpoint
Top View
9.09 mm6.48 mm1.70 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558250123
Side View
Table 63.0%Crown 43.08°Girdle: THK-VTKPavilion 34.97°Culet: NoneDepth 63.3%

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 30
Current: €13,620 EUR|Low: €8,165 EUR|High: €13,784 EUR|Avg: €10,293 EUR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7€8,186 EUR
Retailer 9€8,824 EUR
Retailer 5€9,169 EUR
Retailer 11€9,268 EUR
Retailer 4€9,549 EUR
Retailer 2€9,626 EUR
Retailer 3€9,690 EUR
Retailer 8€10,989 EUR
Retailer 10€12,013 EUR
Retailer 6€12,812 EUR
Retailer 1€13,620 EUR

31 data points across 11 retailers

25 retailers€7,974 EUR to €15,344 EUR

A
Cheapest Retailer
-
€7,974 EUR
HK$69,600 HKD
A
Retailer 2
-
€8,186 EUR
₹870,984 INR
View
Retailer 3
-
€8,823 EUR
SGD 13,321 SGD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
€8,824 EUR
$9,858 USD
View
B+
Retailer 5
-
€8,931 EUR
$9,978 USD
View
B+
Retailer 6
-
€9,148 EUR
$10,220 USD
View
B+
Retailer 7
-
€9,169 EUR
$10,244 USD
View
B+
Retailer 8
-
€9,268 EUR
SGD 13,992 SGD
View
B+
Retailer 9
-
€9,506 EUR
$10,620 USD
View
B+
Retailer 10
-
€9,549 EUR
£8,401 GBP
View
B+
Retailer 11
-
€9,626 EUR
$10,754 USD
View
Final sale: no returns
B+
Retailer 12
-
€9,626 EUR
$10,754 USD
View
Retailer 13
-
€9,690 EUR
A$16,655 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
€10,400 EUR
$11,618 USD
View
B+
Retailer 15
-
€10,429 EUR
$11,651 USD
View
B+
Retailer 16
-
€10,589 EUR
$11,830 USD
View
B+
Retailer 17
-
€10,671 EUR
$11,922 USD
View
B+
Retailer 18
-
€10,675 EUR
$11,926 USD
View
B+
Retailer 19
-
€10,963 EUR
$12,248 USD
View
B+
Retailer 20
-
€10,989 EUR
View
B
Retailer 21
-
€12,033 EUR
$13,443 USD
View
B
Retailer 22
-
€12,812 EUR
ZAR 231,236 ZAR
View
B
Retailer 23
-
€13,620 EUR
£11,981 GBP
View
B
Retailer 24
-
€14,534 EUR
$16,238 USD
View
Most Expensive
B
With Clarity
1558250123 · Oct 30
€15,344 EUR
$17,142 USD
View
24 more retailers have this diamond
Prices start from €7,974 EURSave up to €7,369 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 Oval
€7,974 EUR