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Oval|Natural|GIA

1.70ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7538644928

Certificate GIA 7538644928

Diamond specifications and retailer prices

From €4,717 EUR
As of November 5, 2026
Save €5,382 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €10,099 EUR at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7538644928. Listed at 15 retailers as of November 5, 2026, with prices from €4,717 to €10,099, a €5,382 spread on the same certified stone. NZ Jewellers lists it at €10,099. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7538644928
Dimensions9.62 × 6.87 × 3.92 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Knot, Needle
Top View
9.62 mm6.87 mm1.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7538644928
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.0%

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 5
Current: €10,099 EUR|Low: €4,771 EUR|High: €10,099 EUR|Avg: €6,488 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3€4,771 EUR
Retailer 8€5,096 EUR
Retailer 7€5,471 EUR
Retailer 10€5,471 EUR
Retailer 4€5,735 EUR
Retailer 9€5,769 EUR
Retailer 2€6,214 EUR
Retailer 11€6,313 EUR
Retailer 5€7,368 EUR
Retailer 6€8,872 EUR
NZ Jewellers€10,099 EUR

45 data points across 11 retailers

15 retailers€4,717 EUR to €10,099 EUR

B+
Cheapest Retailer
-
€4,717 EUR
B+
Retailer 2
-
€4,771 EUR
View
B+
Retailer 3
-
€4,834 EUR
View
B+
Retailer 4
-
€5,092 EUR
View
B+
Retailer 5
-
€5,096 EUR
View
Retailer 6
-
€5,471 EUR
View
Price last confirmed 8 days ago
B
Retailer 7
-
€5,471 EUR
View
B
Retailer 8
-
€5,471 EUR
View
B+
Retailer 9
-
€5,735 EUR
View
B+
Retailer 10
-
€5,769 EUR
View
B
Retailer 11
-
€6,214 EUR
View
B
Retailer 12
-
€6,313 EUR
View
B
Retailer 13
-
€7,368 EUR
View
B
Retailer 14
-
€8,872 EUR
View
Most Expensive
B
NZ Jewellers
fa1220ba-5911-4b21-8345-b46780fbcea1 · Nov 5
€10,099 EUR
$11,276 USD
View
14 more retailers have this diamond
Prices start from €4,717 EURSave up to €5,382 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
€4,717 EUR