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1.15ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 01-15882976

Certificate GIA 01-15882976

Diamond specifications and retailer prices

From $5,280 CAD
$3,780 USD
As of October 28, 2026
Save $3,920 CAD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $9,200 CAD 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 01-15882976. Listed at 5 retailers as of October 28, 2026, with prices from $5,280 to $9,200, a $3,920 spread on the same certified stone. NZ Jewellers lists it at $9,200. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 01-15882976
Dimensions6.61 × 6.66 × 4.16 mm
L/W Ratio1.01
Top View
6.61 mm6.66 mm1.15 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 01-15882976
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: Oct 28
Current: $9,200 CAD|Low: $5,280 CAD|High: $9,303 CAD|Avg: $6,686 CAD|-1.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5$5,280 CAD
Retailer 4$5,484 CAD
Retailer 3$5,670 CAD
Retailer 2$6,603 CAD
NZ Jewellers$9,200 CAD

8 data points across 5 retailers

5 retailers$5,280 CAD to $9,200 CAD

B+
Cheapest Retailer
-
$5,280 CAD
$3,780 USD
B+
Retailer 2
-
$5,484 CAD
$3,926 USD
View
B+
Retailer 3
-
$5,670 CAD
$4,059 USD
View
B+
Retailer 4
-
$6,603 CAD
$4,727 USD
View
Most Expensive
B
NZ Jewellers
96c53c97-8e5a-4b97-8959-aea0b31ca36b · Oct 30
$9,200 CAD
$6,586 USD
View
4 more retailers have this diamond
Prices start from $5,280 CADSave up to $3,920 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.

B+
1.15ct Round
$5,280 CAD