Round|Natural|GIA

3.25ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556407892

Certificate GIA 2556407892

Diamond specifications and retailer prices

From $24,652 USD
As of October 29, 2026
Save $13,960 USD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $38,612 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.25ct natural round diamond

This 3.25ct 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 2556407892. Listed at 15 retailers as of October 29, 2026, with prices from $24,652 to $38,612, a $13,960 spread on the same certified stone. MOH London lists it at $38,612. 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

3.25
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556407892
Dimensions9.38 × 9.42 × 5.91 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.38 mm9.42 mm3.25 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556407892
Side View
Table 58.0%Crown 35.5°GirdlePavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $38,612 USD|Low: $24,652 USD|High: $40,643 USD|Avg: $29,871 USD|-5.0%
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
Retailer 14
October 30, 2026
Retailer 14$24,652 USD
Retailer 3$24,714 USD
Retailer 9$24,805 USD
Retailer 11$25,845 USD
Retailer 10$27,144 USD
Retailer 12$28,502 USD
Retailer 13$29,406 USD
Retailer 2$29,838 USD
Retailer 8$29,945 USD
Retailer 7$30,203 USD
Retailer 6$30,537 USD
Retailer 4$31,710 USD
Retailer 5$34,838 USD
MOH London$38,612 USD

20 data points across 14 retailers

15 retailers$24,652 USD to $38,612 USD

A
Cheapest Retailer
-
$24,652 USD
A
Retailer 2
-
$24,714 USD
View
A
Retailer 3
-
$24,805 USD
£19,531 GBP
View
A
Retailer 4
-
$25,845 USD
View
Retailer 5
-
$27,038 USD
A$41,597 AUD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$27,144 USD
View
A
Retailer 7
-
$28,502 USD
View
A
Retailer 8
-
$29,406 USD
View
A
Retailer 9
-
$29,838 USD
€28,417 EUR
View
A
Retailer 10
-
$29,945 USD
£23,579 GBP
View
A
Retailer 11
-
$30,203 USD
View
A
Retailer 12
-
$30,537 USD
View
B+
Retailer 13
-
$31,710 USD
ZAR 512,270 ZAR
View
B
Retailer 14
-
$34,838 USD
View
Most Expensive
B
MOH London
962E5E0A7 · Oct 29
$38,612 USD
£30,403 GBP
View
14 more retailers have this diamond
Prices start from $24,652 USDSave up to $13,960 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.

A
3.25ct Round
$24,652 USD