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Round|Natural|GIA

3.25ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556407892

Certificate GIA 2556407892

Diamond specifications and retailer prices

From $43,740 NZD
$24,652 USD
As of October 31, 2026
Save $24,404 NZD (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $68,144 NZD at MOH London · As of November 1, 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 31, 2026, with prices from $43,740 to $68,144, a $24,404 spread on the same certified stone. MOH London lists it at $68,144. 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
Colour
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 31
Current: $68,144 NZD|Low: $43,740 NZD|High: $72,017 NZD|Avg: $52,731 NZD|-5.4%
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
Retailer 14
November 1, 2026
Retailer 3$43,740 NZD
Retailer 4$43,850 NZD
Retailer 7$44,012 NZD
Retailer 9$46,859 NZD
Retailer 12$48,162 NZD
Retailer 13$50,571 NZD
Retailer 14$52,175 NZD
Retailer 10$52,941 NZD
Retailer 2$52,973 NZD
Retailer 11$53,590 NZD
Retailer 6$54,182 NZD
Retailer 8$56,563 NZD
Retailer 5$61,813 NZD
MOH London$68,144 NZD

21 data points across 14 retailers

15 retailers$43,740 NZD to $68,144 NZD

A
Cheapest Retailer
-
$43,740 NZD
$24,652 USD
A
Retailer 2
-
$43,850 NZD
$24,714 USD
View
A
Retailer 3
-
$44,012 NZD
£19,532 GBP
View
A
Retailer 4
-
$46,859 NZD
$26,410 USD
View
Retailer 5
-
$47,974 NZD
A$41,597 AUD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$48,162 NZD
$27,144 USD
View
A
Retailer 7
-
$50,571 NZD
$28,502 USD
View
A
Retailer 8
-
$52,175 NZD
$29,406 USD
View
A
Retailer 9
-
$52,941 NZD
€28,417 EUR
View
A
Retailer 10
-
$52,973 NZD
£23,509 GBP
View
A
Retailer 11
-
$53,590 NZD
$30,203 USD
View
B+
Retailer 12
-
$54,182 NZD
$30,537 USD
View
B+
Retailer 13
-
$56,563 NZD
ZAR 515,008 ZAR
View
B
Retailer 14
-
$61,813 NZD
$34,838 USD
View
Most Expensive
B
MOH London
962E5E0A7 · Nov 1
$68,144 NZD
£30,241 GBP
View
14 more retailers have this diamond
Prices start from $43,740 NZDSave up to $24,404 NZD

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
$43,740 NZD