CaratHunter
Plans
Round|Natural|GIA

1.55ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2516731507

Certificate GIA 2516731507

Diamond specifications and retailer prices

From $3,218 CAD
As of November 4, 2026
Save $3,319 CAD (51%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,536 CAD at Wholesale Diamonds Direct · As of November 3, 2026
View at Wholesale Diamonds Direct

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2516731507. Listed at 8 retailers as of November 3, 2026, with prices from $3,218 to $6,536, a $3,319 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,536. 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

1.55
Carat
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2516731507
Dimensions7.37 × 7.34 × 4.58 mm
L/W Ratio1.00
Top View
7.37 mm7.34 mm1.55 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2516731507
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.3%

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: $3,218 CAD|Low: $3,181 CAD|High: $7,036 CAD|Avg: $4,521 CAD|-10.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 4, 2026
Retailer 1$3,218 CAD
Retailer 2$3,578 CAD
Retailer 5$3,687 CAD
Retailer 6$3,806 CAD
Retailer 3$3,958 CAD
Retailer 8$4,383 CAD
Retailer 7$4,997 CAD
Retailer 4$5,258 CAD
Wholesale Diamonds Direct$6,536 CAD

23 data points across 9 retailers

8 retailers$3,218 CAD to $6,536 CAD

A
Cheapest Retailer
-
$3,218 CAD
A
Retailer 2
-
$3,578 CAD
View
Final sale: no returns
B+
Retailer 3
-
$3,687 CAD
View
A
Retailer 4
-
$3,806 CAD
View
A
Retailer 5
-
$3,958 CAD
View
B+
Retailer 6
-
$4,383 CAD
View
B
Retailer 7
-
$5,258 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
625924145 · Nov 3
$6,536 CAD
$4,680 USD
View
7 more retailers have this diamond
Prices start from $3,218 CADSave up to $3,319 CAD

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
1.55ct Round
$3,218 CAD