Round|Natural|GIA

3.15ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2233638568

Certificate GIA 2233638568

Diamond specifications and retailer prices

From $28,885 USD
As of October 26, 2026
13 retailers carry this diamond
Most expensive: $49,615 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.15ct natural round diamond

This 3.15ct 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 2233638568. Listed at 13 retailers as of October 26, 2026. 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

3.15
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2233638568
Dimensions9.27 × 9.33 × 5.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
9.27 mm9.33 mm3.15 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2233638568
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 26
Current: $49,615 USD|Low: $28,885 USD|High: $50,146 USD|Avg: $35,171 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 10$28,885 USD
Retailer 6$29,907 USD
Retailer 8$30,825 USD
Retailer 2$31,511 USD
Retailer 7$31,712 USD
Retailer 9$31,726 USD
Retailer 5$37,421 USD
Retailer 3$38,336 USD
Retailer 4$40,333 USD
MOH London$49,615 USD

28 data points across 10 retailers

13 retailers$28,885 USD to $49,615 USD

Retailer 1
-
$28,885 USD
Price last confirmed 7 days ago
Retailer 2
-
$29,907 USD
CA$41,538 CAD
View
Price last confirmed 7 days ago
Retailer 3
-
$30,825 USD
View
Price last confirmed 6 days ago
Retailer 4
-
$31,511 USD
£24,812 GBP
View
Price last confirmed 7 days ago
Retailer 5
-
$31,712 USD
A$48,788 AUD
View
Price last confirmed 30 days ago
Retailer 6
-
$33,048 USD
View
Price last confirmed 37 days ago
Retailer 7
-
$33,313 USD
View
Price last confirmed 34 days ago
Retailer 8
-
$34,370 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$35,692 USD
View
Price last confirmed 34 days ago
Retailer 10
-
$37,421 USD
View
Price last confirmed 24 days ago
Retailer 11
-
$38,336 USD
€36,510 EUR
View
Price last confirmed 7 days ago
Retailer 12
-
$40,333 USD
ZAR 651,580 ZAR
View
Price last confirmed 11 days ago
Most Expensive
MOH London
A9CE0FB12 · Oct 26
$49,615 USD
£39,067 GBP
View
Price last confirmed 7 days ago
12 more retailers have this diamond

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.

3.15ct Round
$28,885 USD