Round|Natural|GIA

3.00ct H SI1 Round Natural Diamond

VG • H/SI1

Diamond specifications and retailer prices

From $34,309 AUD
$24,100 USD
As of October 26, 2026
Save $12,254 AUD (26%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $46,563 AUD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

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 very-good cut grade and certified by GIA. Listed at 17 retailers as of October 26, 2026, with prices from $34,309 to $46,563, a $12,254 spread on the same certified stone. The Diamond Guys lists it at $46,563. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.00
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.14 × 9.25 × 5.66 mm
L/W Ratio1.01
Top View
9.14 mm9.25 mm3.00 ctH / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.6%

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 26
Current: $42,417 AUD|Low: $32,017 AUD|High: $46,563 AUD|Avg: $40,053 AUD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
November 1, 2026
Retailer 9$32,017 AUD
Retailer 3$34,668 AUD
Retailer 2$37,548 AUD
Retailer 4$38,181 AUD
Retailer 7$39,773 AUD
Retailer 5$40,091 AUD
Retailer 6$41,364 AUD
Retailer 10$41,746 AUD
Retailer 1$42,417 AUD
Retailer 8$42,954 AUD
The Diamond Guys$46,563 AUD

22 data points across 11 retailers

17 retailers$34,309 AUD to $46,563 AUD

Retailer 1
-
$32,017 AUD
$22,490 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$34,309 AUD
$24,100 USD
View
B+
Retailer 3
-
$34,668 AUD
$24,352 USD
View
B+
Retailer 4
-
$37,548 AUD
CA$36,632 CAD
View
B+
Retailer 5
-
$38,181 AUD
$26,820 USD
View
Retailer 6
-
$39,773 AUD
$27,938 USD
View
Price last confirmed 48 days ago
B+
Retailer 7
-
$39,773 AUD
$27,938 USD
View
B+
Retailer 8
-
$40,091 AUD
$28,162 USD
View
Retailer 9
-
$41,364 AUD
$29,056 USD
View
Price last confirmed 50 days ago
Retailer 10
-
$41,364 AUD
$29,056 USD
View
Price last confirmed 48 days ago
B+
Retailer 11
-
$41,364 AUD
$29,056 USD
View
B+
Retailer 12
-
$41,746 AUD
$29,324 USD
View
B+
Retailer 13
-
$42,417 AUD
£23,461 GBP
View
Retailer 14
-
$42,954 AUD
$30,173 USD
View
Price last confirmed 47 days ago
B
Retailer 15
-
$42,954 AUD
$30,173 USD
View
Retailer 16
-
$42,954 AUD
$30,173 USD
View
Price last confirmed 51 days ago
Most Expensive
B
The Diamond Guys
1979273854 · Oct 31
$46,563 AUD
$32,708 USD
View
16 more retailers have this diamond
Prices start from $34,309 AUDSave up to $12,254 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
$34,309 AUD