Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6525508015

Certificate GIA 6525508015

Diamond specifications and retailer prices

From $3,056 CAD
As of November 4, 2026
Save $3,885 CAD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,306 CAD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525508015. Listed at 20 retailers as of November 4, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6525508015
Dimensions6.40 × 6.37 × 3.91 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.40 mm6.37 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6525508015
Side View
Table 59.0%Crown 36°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: Nov 4
Current: $4,244 CAD|Low: $3,056 CAD|High: $7,043 CAD|Avg: $4,658 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$3,056 CAD
Retailer 5$3,184 CAD
Retailer 6$3,560 CAD
Retailer 10$3,660 CAD
Retailer 2$3,667 CAD
Retailer 3$4,180 CAD
Retailer 1$4,244 CAD
Retailer 4$4,613 CAD
Retailer 7$6,941 CAD
Retailer 9$7,024 CAD

35 data points across 10 retailers

20 retailers$3,056 CAD to $6,941 CAD

A
Cheapest Retailer
-
$3,056 CAD
A
Retailer 2
-
$3,184 CAD
View
A
Retailer 3
-
$3,560 CAD
View
A
Retailer 4
-
$3,660 CAD
View
A
Retailer 5
-
$3,667 CAD
View
Final sale: no returns
A
Retailer 6
-
$3,779 CAD
View
Retailer 7
-
$3,972 CAD
View
Price last confirmed 29 days ago
Retailer 8
-
$3,972 CAD
View
Price last confirmed 29 days ago
Retailer 9
-
$3,972 CAD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$4,050 CAD
View
Retailer 11
-
$4,126 CAD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$4,170 CAD
View
B+
Retailer 13
-
$4,180 CAD
View
B+
Retailer 14
-
$4,244 CAD
View
Retailer 15
-
$4,584 CAD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
$4,613 CAD
View
B
Retailer 17
-
$6,941 CAD
View
Retailer 18
-
$7,024 CAD
View
Price last confirmed 9 days ago
Retailer 19
-
$8,306 CAD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
c33334bf-ecea-4bc2-9b6f-720edc750f50 · Oct 3
$8,306 CAD
$5,947 USD
View
Price last confirmed 34 days ago
19 more retailers have this diamond
Prices start from $3,056 CADSave up to $3,885 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
1.00ct Round
$3,056 CAD