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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5553042899

Certificate GIA 5553042899

Diamond specifications and retailer prices

From $2,320 CAD
As of November 5, 2026
Save $3,187 CAD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,757 CAD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 5553042899. Listed at 19 retailers as of November 2, 2026, with a 137% 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5553042899
Dimensions6.33 × 6.36 × 4.00 mm
L/W Ratio1.00
Top View
6.33 mm6.36 mm1.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553042899
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.0%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $6,757 CAD|Low: $2,320 CAD|High: $6,757 CAD|Avg: $3,457 CAD|+0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15$2,320 CAD
Retailer 17$2,395 CAD
Retailer 5$2,573 CAD
Retailer 3$2,628 CAD
Retailer 18$2,665 CAD
Retailer 14$2,919 CAD
Retailer 2$2,924 CAD
Retailer 10$2,927 CAD
Retailer 8$3,063 CAD
Retailer 4$3,310 CAD
Retailer 6$3,310 CAD
Retailer 9$3,378 CAD
Retailer 11$3,395 CAD
Retailer 7$3,422 CAD
Retailer 16$3,836 CAD
Retailer 12$4,001 CAD
Retailer 13$5,507 CAD
NZ Jewellers$6,757 CAD

26 data points across 18 retailers

19 retailers$2,320 CAD to $5,507 CAD

A
Cheapest Retailer
-
$2,320 CAD
A
Retailer 2
-
$2,395 CAD
View
A
Retailer 3
-
$2,573 CAD
View
A
Retailer 4
-
$2,628 CAD
View
Final sale: no returns
A
Retailer 5
-
$2,665 CAD
View
Retailer 6
-
$2,905 CAD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$2,919 CAD
View
A
Retailer 8
-
$2,924 CAD
View
Retailer 9
-
$2,927 CAD
View
Price last confirmed 15 days ago
Retailer 10
-
$3,063 CAD
View
Price last confirmed 15 days ago
A
Retailer 11
-
$3,310 CAD
View
A
Retailer 12
-
$3,310 CAD
View
Retailer 13
-
$3,378 CAD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$3,395 CAD
View
B+
Retailer 15
-
$3,422 CAD
View
B+
Retailer 16
-
$3,836 CAD
View
B+
Retailer 17
-
$4,001 CAD
View
B
Retailer 18
-
$5,507 CAD
View
Most Expensive
NZ Jewellers
83c0332c-7649-483a-b899-540f4f630fff · Oct 20
$6,757 CAD
$4,838 USD
View
Price last confirmed 16 days ago
18 more retailers have this diamond
Prices start from $2,320 CADSave up to $3,187 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
$2,320 CAD