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Round|Natural|GIA

3.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1405520085

Certificate GIA 1405520085

Diamond specifications and retailer prices

From $51,557 CAD
$36,908 USD
As of October 30, 2026
Save $39,379 CAD (43%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $90,935 CAD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1405520085. Listed at 8 retailers as of October 30, 2026, with prices from $51,557 to $90,935, a $39,379 spread on the same certified stone. Diamond Quarter lists it at $90,935. 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

3.00
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1405520085
Dimensions9.30 × 9.25 × 5.65 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.30 mm9.25 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1405520085
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.1%

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 30
Current: $68,519 CAD|Low: $46,936 CAD|High: $68,519 CAD|Avg: $56,310 CAD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$46,936 CAD
Retailer 3$51,557 CAD
Retailer 4$53,225 CAD
Retailer 2$53,293 CAD
Retailer 8$58,060 CAD
Retailer 5$58,740 CAD
Retailer 7$58,740 CAD
Retailer 6$60,695 CAD
Retailer 1$68,519 CAD

24 data points across 9 retailers

8 retailers$51,557 CAD to $90,935 CAD

B+
Cheapest Retailer
-
$51,557 CAD
$36,908 USD
B
Retailer 2
-
$53,225 CAD
$38,102 USD
View
B
Retailer 3
-
$53,293 CAD
$38,151 USD
View
Final sale: no returns
B
Retailer 4
-
$58,740 CAD
$42,050 USD
View
B
Retailer 5
-
$58,740 CAD
$42,050 USD
View
B
Retailer 6
-
$60,695 CAD
$43,450 USD
View
B
Retailer 7
-
$68,519 CAD
€46,715 EUR
View
Most Expensive
B
Diamond Quarter
3.0SI1H14855F70N · Oct 31
$90,935 CAD
£51,258 GBP
View
7 more retailers have this diamond
Prices start from $51,557 CADSave up to $39,379 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+
3.00ct Round
$51,557 CAD