CaratHunter
Plans
Round|Natural|GIA

1.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6531188321

Certificate GIA 6531188321

Diamond specifications and retailer prices

From €6,491 EUR
As of November 6, 2026
Save €8,152 EUR (56%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €14,643 EUR at NZ Jewellers · As of November 5, 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 6531188321. Listed at 28 retailers as of November 5, 2026, with prices from €6,491 to €14,643, a €8,152 spread on the same certified stone. NZ Jewellers lists it at €14,643. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6531188321
Dimensions7.36 × 7.34 × 4.56 mm
L/W Ratio1.00
Top View
7.36 mm7.34 mm1.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531188321
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.1%

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 6
Current: €8,040 EUR|Low: €6,491 EUR|High: €12,348 EUR|Avg: €8,844 EUR|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9€6,491 EUR
Retailer 6€6,695 EUR
Retailer 4€6,854 EUR
Retailer 8€7,025 EUR
Retailer 1€8,040 EUR
Retailer 7€8,089 EUR
Retailer 3€9,021 EUR
Retailer 2€10,681 EUR
Retailer 5€12,168 EUR

43 data points across 9 retailers

28 retailers€6,491 EUR to €14,643 EUR

B+
Cheapest Retailer
-
€6,491 EUR
B+
Retailer 2
-
€6,639 EUR
View
B+
Retailer 3
-
€6,695 EUR
View
B+
Retailer 4
-
€6,839 EUR
View
B+
Retailer 5
-
€6,854 EUR
View
B+
Retailer 6
-
€7,025 EUR
View
Final sale: no returns
B+
Retailer 7
-
€7,052 EUR
View
B+
Retailer 8
-
€7,195 EUR
View
B+
Retailer 9
-
€7,286 EUR
View
Retailer 10
-
€7,321 EUR
View
Price last confirmed 9 days ago
B
Retailer 11
-
€7,803 EUR
View
B
Retailer 12
-
€7,932 EUR
View
B+
Retailer 13
-
€8,040 EUR
View
B
Retailer 14
-
€8,054 EUR
View
Retailer 15
-
€8,089 EUR
View
Price last confirmed 15 days ago
B
Retailer 16
-
€8,125 EUR
View
B
Retailer 17
-
€8,416 EUR
View
B
Retailer 18
-
€8,679 EUR
View
B
Retailer 19
-
€8,679 EUR
View
B
Retailer 20
-
€8,874 EUR
View
B
Retailer 21
-
€8,966 EUR
View
B
Retailer 22
-
€9,021 EUR
View
B
Retailer 23
-
€9,152 EUR
View
B
Retailer 24
-
€9,345 EUR
View
Retailer 25
-
€9,638 EUR
View
Price last confirmed 15 days ago
B
Retailer 26
-
€10,681 EUR
View
B
Retailer 27
-
€12,168 EUR
View
Most Expensive
B
NZ Jewellers
bad8d0d6-c1c9-4c6b-977e-f24c51c588e1 · Nov 5
€14,643 EUR
$16,349 USD
View
27 more retailers have this diamond
Prices start from €6,491 EURSave up to €8,152 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+
1.55ct Round
€6,491 EUR