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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5556893217

Certificate GIA 5556893217

Diamond specifications and retailer prices

From $3,337 CAD
$2,389 USD
As of October 30, 2026
Save $5,262 CAD (61%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,599 CAD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556893217. Listed at 22 retailers as of October 30, 2026, with prices from $3,337 to $8,599, a $5,262 spread on the same certified stone. NZ Jewellers lists it at $8,599. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5556893217
Dimensions6.34 × 6.39 × 3.98 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
6.34 mm6.39 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556893217
Side View
Table 55.0%Crown 35°Girdle: Med. - Sli. ThickPavilion 40.6°Culet: NoneDepth 62.5%

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: Oct 30
Current: $8,599 CAD|Low: $3,153 CAD|High: $8,599 CAD|Avg: $4,701 CAD
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
October 31, 2026
Retailer 5$3,283 CAD
Retailer 8$3,337 CAD
Retailer 7$3,438 CAD
Retailer 9$3,674 CAD
Retailer 15$3,727 CAD
Retailer 18$3,727 CAD
Retailer 16$3,869 CAD
Retailer 12$3,970 CAD
Retailer 6$4,226 CAD
Retailer 3$4,300 CAD
Retailer 11$4,335 CAD
Retailer 10$4,609 CAD
Retailer 4$4,790 CAD
Retailer 13$4,829 CAD
Retailer 2$5,056 CAD
Retailer 17$6,889 CAD
Retailer 14$7,132 CAD
NZ Jewellers$8,599 CAD

29 data points across 18 retailers

22 retailers$3,337 CAD to $8,599 CAD

Retailer 1
-
$3,283 CAD
$2,350 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$3,337 CAD
$2,389 USD
View
B+
Retailer 3
-
$3,438 CAD
$2,461 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,541 CAD
$2,535 USD
View
B+
Retailer 5
-
$3,674 CAD
$2,630 USD
View
B+
Retailer 6
-
$3,727 CAD
$2,668 USD
View
B+
Retailer 7
-
$3,727 CAD
$2,668 USD
View
B+
Retailer 8
-
$3,778 CAD
$2,705 USD
View
B+
Retailer 9
-
$3,869 CAD
$2,770 USD
View
B+
Retailer 10
-
$3,970 CAD
£2,238 GBP
View
B+
Retailer 11
-
$4,226 CAD
$3,025 USD
View
B
Retailer 12
-
$4,300 CAD
$3,078 USD
View
B+
Retailer 13
-
$4,335 CAD
£2,444 GBP
View
Retailer 14
-
$4,609 CAD
A$5,076 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$4,669 CAD
$3,342 USD
View
Retailer 16
-
$4,776 CAD
$3,419 USD
View
Price last confirmed 16 days ago
B+
Retailer 17
-
$4,790 CAD
£2,700 GBP
View
B+
Retailer 18
-
$4,829 CAD
€3,292 EUR
View
B
Retailer 19
-
$5,056 CAD
ZAR 58,471 ZAR
View
B
Retailer 20
-
$6,889 CAD
£3,883 GBP
View
B
Retailer 21
-
$7,132 CAD
£4,020 GBP
View
Most Expensive
B
NZ Jewellers
87d487b7-68e7-47e4-8469-29aec22710e0 · Oct 30
$8,599 CAD
$6,156 USD
View
21 more retailers have this diamond
Prices start from $3,337 CADSave up to $5,262 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
$3,337 CAD