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Round|Natural|GIA

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7556552522

Certificate GIA 7556552522

Diamond specifications and retailer prices

From $7,676 CAD
As of November 4, 2026
Save $4,577 CAD (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,253 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7556552522. Listed at 12 retailers as of November 1, 2026, with prices from $7,676 to $12,253, a $4,577 spread on the same certified stone. MOH London lists it at $12,253. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7556552522
Dimensions7.37 × 7.33 × 4.60 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Needle
Top View
7.37 mm7.33 mm1.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556552522
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,253 CAD|Low: $7,676 CAD|High: $12,402 CAD|Avg: $9,059 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$7,676 CAD
Retailer 7$7,933 CAD
Retailer 4$7,980 CAD
Retailer 9$8,317 CAD
Retailer 10$8,317 CAD
Retailer 3$8,329 CAD
Retailer 6$8,486 CAD
Retailer 8$9,596 CAD
Retailer 2$9,880 CAD
Retailer 5$10,148 CAD
MOH London$12,253 CAD

33 data points across 11 retailers

12 retailers$7,676 CAD to $12,253 CAD

B
Cheapest Retailer
-
$7,676 CAD
Final sale: no returns
B+
Retailer 2
-
$7,933 CAD
View
B+
Retailer 3
-
$7,980 CAD
View
Retailer 4
-
$8,317 CAD
View
Price last confirmed 15 days ago
Retailer 5
-
$8,317 CAD
View
Price last confirmed 15 days ago
Retailer 6
-
$8,329 CAD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$8,486 CAD
View
Retailer 8
-
$8,547 CAD
View
Price last confirmed 11 days ago
Retailer 9
-
$9,596 CAD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$9,880 CAD
View
B
Retailer 11
-
$10,148 CAD
View
Most Expensive
B
MOH London
76667EFC1 · Nov 1
$12,253 CAD
£6,908 GBP
View
11 more retailers have this diamond
Prices start from $7,676 CADSave up to $4,577 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.

B+
1.55ct Round
$7,676 CAD