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Round|Natural|GIA

2.25ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6551663179

Certificate GIA 6551663179

Diamond specifications and retailer prices

From $9,015 NZD
As of November 4, 2026
Save $5,145 NZD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $14,160 NZD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 2.25ct natural round diamond

This 2.25ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551663179. Listed at 8 retailers as of November 4, 2026, with prices from $9,015 to $14,160, a $5,145 spread on the same certified stone. Cape Diamonds lists it at $14,160. 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

2.25
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551663179
Dimensions8.25 × 8.32 × 5.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.25 mm8.32 mm2.25 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551663179
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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: Nov 4
Current: $14,160 NZD|Low: $8,948 NZD|High: $14,259 NZD|Avg: $11,612 NZD|+1.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$9,015 NZD
Retailer 3$10,478 NZD
Retailer 8$10,753 NZD
Retailer 6$10,915 NZD
Retailer 5$11,381 NZD
Retailer 7$12,767 NZD
Retailer 2$13,386 NZD
Cape Diamonds$14,160 NZD

23 data points across 8 retailers

8 retailers$9,015 NZD to $14,160 NZD

A
Cheapest Retailer
-
$9,015 NZD
A
Retailer 2
-
$10,478 NZD
View
B+
Retailer 3
-
$10,753 NZD
View
B+
Retailer 4
-
$10,915 NZD
View
Retailer 5
-
$11,381 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$12,767 NZD
View
B+
Retailer 7
-
$13,386 NZD
View
Most Expensive
B
Cape Diamonds
cert_6551663179 · Nov 5
$14,160 NZD
ZAR 128,594 ZAR
View
7 more retailers have this diamond
Prices start from $9,015 NZDSave up to $5,145 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
2.25ct Round
$9,015 NZD