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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 $5,068 USD
As of November 4, 2026
Save $2,892 USD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,960 USD 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 $5,068 to $7,960, a $2,892 spread on the same certified stone. Cape Diamonds lists it at $7,960. 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
Color
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: $7,960 USD|Low: $5,030 USD|High: $8,015 USD|Avg: $6,527 USD|+1.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$5,068 USD
Retailer 3$5,890 USD
Retailer 8$6,045 USD
Retailer 6$6,136 USD
Retailer 5$6,398 USD
Retailer 7$7,177 USD
Retailer 2$7,525 USD
Cape Diamonds$7,960 USD

23 data points across 8 retailers

8 retailers$5,068 USD to $7,960 USD

A
Cheapest Retailer
-
$5,068 USD
A
Retailer 2
-
$5,890 USD
View
B+
Retailer 3
-
$6,045 USD
View
B+
Retailer 4
-
$6,136 USD
View
Retailer 5
-
$6,398 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$7,177 USD
View
B+
Retailer 7
-
$7,525 USD
View
Most Expensive
B
Cape Diamonds
cert_6551663179 · Nov 5
$7,960 USD
ZAR 128,594 ZAR
View
7 more retailers have this diamond
Prices start from $5,068 USDSave up to $2,892 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
2.25ct Round
$5,068 USD