Oval|Natural|GIA

1.70ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 2538257850

Certificate GIA 2538257850

Diamond specifications and retailer prices

From €10,915 EUR
$12,194 USD
As of October 30, 2026
17 retailers carry this diamond
Most expensive: €16,362 EUR at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

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 2538257850. Listed at 17 retailers as of October 30, 2026. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2538257850
Dimensions9.69 × 6.46 × 4.06 mm
L/W Ratio1.50
Top View
9.69 mm6.46 mm1.70 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2538257850
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.9%

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: Oct 30
Current: €16,362 EUR|Low: €9,028 EUR|High: €16,362 EUR|Avg: €11,867 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
October 23, 2026
Retailer 2€9,028 EUR
Retailer 6€9,817 EUR
Retailer 8€9,817 EUR
Retailer 18€9,985 EUR
Retailer 9€10,475 EUR
Retailer 5€10,635 EUR
Retailer 12€10,749 EUR
Retailer 17€10,799 EUR
Retailer 10€10,811 EUR
Retailer 11€10,915 EUR
Retailer 4€11,502 EUR
Retailer 19€11,502 EUR
Retailer 3€11,887 EUR
Retailer 7€12,272 EUR
Retailer 15€12,278 EUR
Retailer 13€14,144 EUR
Retailer 14€14,579 EUR
Retailer 16€15,415 EUR
NZ Jewellers€16,362 EUR

36 data points across 19 retailers

17 retailers

Retailer 1
-
€9,028 EUR
$10,086 USD
Price last confirmed 8 days ago
Retailer 2
-
€9,817 EUR
$10,968 USD
View
Price last confirmed 16 days ago
Retailer 3
-
€9,985 EUR
$11,155 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€10,475 EUR
$11,703 USD
View
Price last confirmed 14 days ago
Retailer 5
-
€10,635 EUR
$11,882 USD
View
Price last confirmed 14 days ago
Retailer 6
-
€10,749 EUR
£9,456 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
€10,799 EUR
$12,065 USD
View
Price last confirmed 15 days ago
Retailer 8
-
€10,811 EUR
A$18,581 AUD
View
Price last confirmed 28 days ago
B+
Retailer 9
-
€10,915 EUR
$12,194 USD
View
Retailer 10
-
€11,502 EUR
$12,850 USD
View
Price last confirmed 10 days ago
Retailer 11
-
€11,502 EUR
$12,850 USD
View
Price last confirmed 9 days ago
Retailer 12
-
€11,887 EUR
$13,280 USD
View
Price last confirmed 13 days ago
Retailer 13
-
€12,272 EUR
$13,710 USD
View
Price last confirmed 13 days ago
Retailer 14
-
€14,144 EUR
ZAR 255,282 ZAR
View
Price last confirmed 9 days ago
Retailer 15
-
€14,579 EUR
£12,825 GBP
View
Price last confirmed 8 days ago
Retailer 16
-
€15,415 EUR
£13,560 GBP
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
00b6971b-e480-456e-831e-00e12ebad02b · Oct 17
€16,362 EUR
$18,280 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from €10,915 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 Oval
€10,915 EUR