Round|Natural|GIA

3.03ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6233818370

Certificate GIA 6233818370

Diamond specifications and retailer prices

From $28,743 USD
As of October 30, 2026
Save $20,563 USD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $49,306 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6233818370. Listed at 12 retailers as of October 30, 2026, with prices from $28,743 to $49,306, a $20,563 spread on the same certified stone. MOH London lists it at $49,306. 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

3.03
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6233818370
Dimensions9.18 × 9.24 × 5.77 mm
L/W Ratio1.01
Top View
9.18 mm9.24 mm3.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233818370
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.8°CuletDepth 62.6%

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 30
Current: $49,306 USD|Low: $28,260 USD|High: $49,901 USD|Avg: $34,686 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10$28,260 USD
Retailer 4$28,743 USD
Retailer 2$31,547 USD
Retailer 9$31,571 USD
Retailer 6$32,886 USD
Retailer 5$33,149 USD
Retailer 7$34,202 USD
Retailer 8$35,517 USD
Retailer 3$38,137 USD
MOH London$49,306 USD

37 data points across 10 retailers

12 retailers$28,743 USD to $49,306 USD

B+
Cheapest Retailer
-
$28,743 USD
B+
Retailer 2
-
$29,760 USD
CA$41,334 CAD
View
B+
Retailer 3
-
$31,547 USD
£24,840 GBP
View
B+
Retailer 4
-
$31,571 USD
View
B+
Retailer 5
-
$32,886 USD
View
B+
Retailer 6
-
$33,149 USD
View
B+
Retailer 7
-
$34,202 USD
View
B
Retailer 8
-
$34,671 USD
View
B
Retailer 9
-
$35,517 USD
View
B
Retailer 10
-
$36,905 USD
View
B
Retailer 11
-
$38,137 USD
€36,321 EUR
View
Most Expensive
B
MOH London
12C54A39F · Nov 1
$49,306 USD
£38,824 GBP
View
11 more retailers have this diamond
Prices start from $28,743 USDSave up to $20,563 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+
3.03ct Round
$28,743 USD