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Round|Natural|GIA

1.15ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2554183445

Certificate GIA 2554183445

Diamond specifications and retailer prices

From $2,595 CAD
£1,462 GBP
As of October 30, 2026
Save $42 CAD (2%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,846 CAD at NZ Jewellers · As of September 28, 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 2554183445. Listed at 8 retailers as of October 30, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554183445
Dimensions6.63 × 6.67 × 4.16 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Needle
Top View
6.63 mm6.67 mm1.15 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2554183445
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°CuletDepth 62.6%

Caratlytics Score

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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: Oct 30
Current: $2,636 CAD|Low: $2,555 CAD|High: $4,976 CAD|Avg: $3,462 CAD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2$2,595 CAD
Retailer 1$2,636 CAD
Retailer 4$2,989 CAD
Retailer 5$3,940 CAD
Retailer 3$4,872 CAD

39 data points across 5 retailers

8 retailers$2,595 CAD to $2,636 CAD

A
Cheapest Retailer
-
$2,595 CAD
£1,462 GBP
A
Retailer 2
-
$2,636 CAD
£1,486 GBP
View
Retailer 3
-
$2,794 CAD
$2,000 USD
View
Price last confirmed 23 days ago
Retailer 4
-
$2,806 CAD
$2,009 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$2,922 CAD
$2,092 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$4,872 CAD
£2,746 GBP
View
Price last confirmed 10 days ago
Retailer 7
-
$6,813 CAD
$4,877 USD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
0d698dd1-0694-4dfb-b3ae-02de4cea1634 · Sep 28
$6,846 CAD
$4,901 USD
View
Price last confirmed 33 days ago
7 more retailers have this diamond
Prices start from $2,595 CADSave up to $42 CAD

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
$2,595 CAD