Round|Natural|GIA

3.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1507848094

Certificate GIA 1507848094

Diamond specifications and retailer prices

From $30,545 USD
A$46,992 AUD
As of October 30, 2026
Save $21,992 USD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $52,537 USD at Diamond Quarter · As of October 29, 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 1507848094. Listed at 10 retailers as of October 29, 2026, with prices from $30,545 to $52,537, a $21,992 spread on the same certified stone. Diamond Quarter lists it at $52,537. 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
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1507848094
Dimensions9.09 × 9.21 × 5.72 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Cloud, Crystal, Needle, Indented Natural
Top View
9.09 mm9.21 mm3.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1507848094
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

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: $37,740 USD|Low: $28,512 USD|High: $50,312 USD|Avg: $35,922 USD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$32,208 USD
Retailer 5$32,570 USD
Retailer 7$33,158 USD
Retailer 8$33,871 USD
Retailer 6$34,787 USD
Retailer 4$35,790 USD
Retailer 1$37,740 USD
Retailer 2$49,980 USD

30 data points across 8 retailers

10 retailers$30,545 USD to $52,537 USD

B+
Cheapest Retailer
-
$30,545 USD
A$46,992 AUD
B+
Retailer 2
-
$32,208 USD
View
Final sale: no returns
B+
Retailer 3
-
$32,570 USD
View
B+
Retailer 4
-
$33,158 USD
View
B+
Retailer 5
-
$33,871 USD
View
B+
Retailer 6
-
$34,787 USD
View
Retailer 7
-
$35,790 USD
£28,181 GBP
View
Price last confirmed 31 days ago
B
Retailer 8
-
$37,740 USD
€35,943 EUR
View
B
Retailer 9
-
$49,980 USD
£39,354 GBP
View
Most Expensive
B
Diamond Quarter
3.0SI1H1594416DN · Oct 29
$52,537 USD
£41,368 GBP
View
9 more retailers have this diamond
Prices start from $30,545 USDSave up to $21,992 USD

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
$30,545 USD