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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 $52,542 AUD
$36,908 USD
As of October 30, 2026
Save $40,131 AUD (43%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $92,674 AUD 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 $52,542 to $92,674, a $40,131 spread on the same certified stone. Diamond Quarter lists it at $92,674. 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
Colour
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: $69,337 AUD|Low: $47,833 AUD|High: $69,829 AUD|Avg: $57,383 AUD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$47,833 AUD
Retailer 3$52,542 AUD
Retailer 4$54,243 AUD
Retailer 2$54,312 AUD
Retailer 8$59,170 AUD
Retailer 5$59,862 AUD
Retailer 7$59,862 AUD
Retailer 6$61,855 AUD
Retailer 1$69,337 AUD

24 data points across 9 retailers

8 retailers$52,542 AUD to $92,674 AUD

B+
Cheapest Retailer
-
$52,542 AUD
$36,908 USD
B
Retailer 2
-
$54,243 AUD
$38,102 USD
View
B
Retailer 3
-
$54,312 AUD
$38,151 USD
View
Final sale: no returns
B
Retailer 4
-
$59,862 AUD
$42,050 USD
View
B
Retailer 5
-
$59,862 AUD
$42,050 USD
View
B
Retailer 6
-
$61,855 AUD
$43,450 USD
View
B
Retailer 7
-
$69,337 AUD
€46,386 EUR
View
Most Expensive
B
Diamond Quarter
3.0SI1H14855F70N · Oct 31
$92,674 AUD
£51,258 GBP
View
7 more retailers have this diamond
Prices start from $52,542 AUDSave up to $40,131 AUD

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
$52,542 AUD