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Round|Natural|GIA

1.15ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2557163437

Certificate GIA 2557163437

Diamond specifications and retailer prices

From €2,091 EUR
£1,846 GBP
As of November 1, 2026
Save €2,581 EUR (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,672 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557163437. Listed at 7 retailers as of October 30, 2026, with prices from €2,091 to €4,672, a €2,581 spread on the same certified stone. NZ Jewellers lists it at €4,672. 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

1.15
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557163437
Dimensions6.65 × 6.69 × 4.19 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.65 mm6.69 mm1.15 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557163437
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,672 EUR|Low: €2,090 EUR|High: €4,721 EUR|Avg: €2,848 EUR|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2€2,091 EUR
Retailer 6€2,156 EUR
Retailer 4€2,234 EUR
Retailer 7€2,338 EUR
Retailer 5€2,364 EUR
Retailer 8€2,493 EUR
Retailer 3€3,914 EUR
NZ Jewellers€4,672 EUR

35 data points across 8 retailers

7 retailers€2,091 EUR to €4,672 EUR

A
Cheapest Retailer
-
€2,091 EUR
£1,846 GBP
A
Retailer 2
-
€2,156 EUR
$2,418 USD
View
A
Retailer 3
-
€2,234 EUR
$2,506 USD
View
A
Retailer 4
-
€2,338 EUR
$2,622 USD
View
A
Retailer 5
-
€2,364 EUR
$2,651 USD
View
B
Retailer 6
-
€3,914 EUR
£3,457 GBP
View
Most Expensive
B
NZ Jewellers
fbf756cc-4708-4c55-8faf-e896af92a08c · Oct 30
€4,672 EUR
$5,240 USD
View
6 more retailers have this diamond
Prices start from €2,091 EURSave up to €2,581 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
1.15ct Round
€2,091 EUR