Round|Natural|GIA

1.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6515867792

Certificate GIA 6515867792

Diamond specifications and retailer prices

From €5,332 EUR
A$9,164 AUD
As of November 1, 2026
Save €5,433 EUR (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €10,764 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6515867792. Listed at 6 retailers as of October 30, 2026, with prices from €5,332 to €10,764, a €5,433 spread on the same certified stone. NZ Jewellers lists it at €10,764. 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

1.55
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6515867792
Dimensions7.33 × 7.38 × 4.64 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.33 mm7.38 mm1.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6515867792
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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: Nov 1
Current: €10,764 EUR|Low: €4,712 EUR|High: €10,764 EUR|Avg: €7,542 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5€5,853 EUR
Retailer 4€5,941 EUR
Retailer 3€6,716 EUR
Retailer 2€8,969 EUR
NZ Jewellers€10,764 EUR

22 data points across 5 retailers

6 retailers€5,332 EUR to €10,764 EUR

A
Cheapest Retailer
-
€5,332 EUR
A$9,164 AUD
B+
Retailer 2
-
€5,853 EUR
$6,539 USD
View
B+
Retailer 3
-
€5,941 EUR
$6,637 USD
View
Final sale: no returns
B+
Retailer 4
-
€6,716 EUR
View
B
Retailer 5
-
€8,969 EUR
£7,890 GBP
View
Most Expensive
B
NZ Jewellers
aab13c39-4f4d-47af-8341-dc163fead0f0 · Oct 30
€10,764 EUR
$12,026 USD
View
5 more retailers have this diamond
Prices start from €5,332 EURSave up to €5,433 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
1.55ct Round
€5,332 EUR