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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 €5,591 EUR
$6,271 USD
As of October 31, 2026
Save €7,165 EUR (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €12,756 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 €5,591 to €12,756, a €7,165 spread on the same certified stone. NZ Jewellers lists it at €12,756. 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
Colour
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: €12,756 EUR|Low: €5,371 EUR|High: €13,302 EUR|Avg: €7,617 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 2, 2026
Retailer 5€5,591 EUR
Retailer 11€5,626 EUR
Retailer 4€5,972 EUR
Retailer 13€6,377 EUR
Retailer 7€6,378 EUR
Retailer 8€6,910 EUR
Retailer 15€7,016 EUR
Retailer 9€7,056 EUR
Retailer 12€7,614 EUR
Retailer 16€7,614 EUR
Retailer 2€7,621 EUR
Retailer 14€7,864 EUR
Retailer 3€7,973 EUR
Retailer 6€8,400 EUR
Retailer 10€10,629 EUR
NZ Jewellers€12,756 EUR

42 data points across 16 retailers

16 retailers€5,591 EUR to €12,756 EUR

A
Cheapest Retailer
-
€5,591 EUR
$6,271 USD
A
Retailer 2
-
€5,626 EUR
HK$49,300 HKD
View
B+
Retailer 3
-
€5,972 EUR
$6,698 USD
View
B+
Retailer 4
-
€6,377 EUR
$7,153 USD
View
Final sale: no returns
B+
Retailer 5
-
€6,378 EUR
$7,154 USD
View
B+
Retailer 6
-
€6,910 EUR
$7,750 USD
View
B+
Retailer 7
-
€7,016 EUR
$7,869 USD
View
B+
Retailer 8
-
€7,056 EUR
£6,232 GBP
View
B
Retailer 9
-
€7,614 EUR
$8,540 USD
View
B
Retailer 10
-
€7,614 EUR
$8,540 USD
View
B+
Retailer 11
-
€7,621 EUR
View
B+
Retailer 12
-
€7,864 EUR
$8,820 USD
View
B+
Retailer 13
-
€7,973 EUR
$8,942 USD
View
Retailer 14
-
€8,400 EUR
$9,422 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
€10,629 EUR
£9,387 GBP
View
Most Expensive
B
NZ Jewellers
631e12f0-c64d-4532-8689-4230b95d6466 · Oct 30
€12,756 EUR
$14,307 USD
View
15 more retailers have this diamond
Prices start from €5,591 EURSave up to €7,165 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
€5,591 EUR