Round|Natural|GIA

3.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1559241006

Certificate GIA 1559241006

Diamond specifications and retailer prices

From $30,686 USD
A$47,209 AUD
As of October 31, 2026
Save $19,820 USD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $50,507 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559241006. Listed at 14 retailers as of October 26, 2026, with prices from $30,686 to $50,507, a $19,820 spread on the same certified stone. MOH London lists it at $50,507. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559241006
Dimensions9.53 × 9.57 × 5.51 mm
L/W Ratio1.00
Key to symbols
Cloud, Crystal, Needle
Top View
9.53 mm9.57 mm3.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559241006
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 57.7%

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 31
Current: $50,507 USD|Low: $31,508 USD|High: $50,709 USD|Avg: $36,953 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5$31,508 USD
Retailer 6$32,274 USD
Retailer 4$32,305 USD
Retailer 12$32,456 USD
Retailer 10$33,642 USD
Retailer 3$34,600 USD
Retailer 11$35,649 USD
Retailer 13$37,431 USD
Retailer 8$38,619 USD
Retailer 2$39,210 USD
Retailer 9$40,105 USD
Retailer 7$41,867 USD
MOH London$50,507 USD

11 data points across 13 retailers

14 retailers$30,686 USD to $50,507 USD

B+
Cheapest Retailer
-
$30,686 USD
A$47,209 AUD
B+
Retailer 2
-
$31,508 USD
View
Final sale: no returns
B+
Retailer 3
-
$32,274 USD
£25,412 GBP
View
B+
Retailer 4
-
$32,305 USD
View
B+
Retailer 5
-
$32,456 USD
View
B+
Retailer 6
-
$33,642 USD
View
B+
Retailer 7
-
$34,600 USD
View
B
Retailer 8
-
$35,649 USD
View
B
Retailer 9
-
$37,431 USD
View
B
Retailer 10
-
$38,619 USD
View
B+
Retailer 11
-
$39,210 USD
£30,874 GBP
View
B
Retailer 12
-
$40,105 USD
View
B
Retailer 13
-
$41,867 USD
ZAR 676,365 ZAR
View
Most Expensive
B
MOH London
637783D7F · Oct 26
$50,507 USD
£39,769 GBP
View
13 more retailers have this diamond
Prices start from $30,686 USDSave up to $19,820 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
$30,686 USD