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Round|Natural|GIA

1.70ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2558513002

Certificate GIA 2558513002

Diamond specifications and retailer prices

From €5,613 EUR
$6,271 USD
As of October 31, 2026
Save €7,193 EUR (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €12,806 EUR at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2558513002. Listed at 16 retailers as of October 30, 2026, with prices from €5,613 to €12,806, a €7,193 spread on the same certified stone. NZ Jewellers lists it at €12,806. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558513002
Dimensions7.55 × 7.59 × 4.76 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Indented Natural, Natural
Top View
7.55 mm7.59 mm1.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558513002
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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 31
Current: €12,806 EUR|Low: €5,392 EUR|High: €13,355 EUR|Avg: €7,650 EUR|-4.1%
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
November 1, 2026
Retailer 5€5,613 EUR
Retailer 10€5,648 EUR
Retailer 4€5,995 EUR
Retailer 13€6,403 EUR
Retailer 7€6,403 EUR
Retailer 8€6,937 EUR
Retailer 15€7,043 EUR
Retailer 9€7,084 EUR
Retailer 12€7,644 EUR
Retailer 16€7,644 EUR
Retailer 11€7,686 EUR
Retailer 14€7,895 EUR
Retailer 3€8,004 EUR
Retailer 6€8,434 EUR
Retailer 2€10,671 EUR
NZ Jewellers€12,806 EUR

42 data points across 16 retailers

16 retailers€5,613 EUR to €12,806 EUR

A
Cheapest Retailer
-
€5,613 EUR
$6,271 USD
A
Retailer 2
-
€5,648 EUR
HK$49,300 HKD
View
B+
Retailer 3
-
€5,995 EUR
$6,698 USD
View
B+
Retailer 4
-
€6,403 EUR
$7,153 USD
View
Final sale: no returns
B+
Retailer 5
-
€6,403 EUR
$7,154 USD
View
B+
Retailer 6
-
€6,937 EUR
$7,750 USD
View
B+
Retailer 7
-
€7,043 EUR
$7,869 USD
View
B+
Retailer 8
-
€7,084 EUR
£6,232 GBP
View
B
Retailer 9
-
€7,644 EUR
$8,540 USD
View
B
Retailer 10
-
€7,644 EUR
$8,540 USD
View
B+
Retailer 11
-
€7,686 EUR
View
B+
Retailer 12
-
€7,895 EUR
$8,820 USD
View
B+
Retailer 13
-
€8,004 EUR
$8,942 USD
View
Retailer 14
-
€8,434 EUR
$9,422 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
€10,671 EUR
£9,387 GBP
View
Most Expensive
B
NZ Jewellers
631e12f0-c64d-4532-8689-4230b95d6466 · Oct 30
€12,806 EUR
$14,307 USD
View
15 more retailers have this diamond
Prices start from €5,613 EURSave up to €7,193 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 Round
€5,613 EUR