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Round|Natural|GIA

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1539355495

Certificate GIA 1539355495

Diamond specifications and retailer prices

From $6,681 CAD
As of November 4, 2026
Save $3,555 CAD (35%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,236 CAD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

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 1539355495. Listed at 12 retailers as of November 4, 2026, with prices from $6,681 to $10,236, a $3,555 spread on the same certified stone. Cape Diamonds lists it at $10,236. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1539355495
Dimensions7.41 × 7.36 × 4.58 mm
L/W Ratio1.01
Cert comments
Additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Crystal, Cloud, Feather
Top View
7.41 mm7.36 mm1.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539355495
Side View
Table 58.0%Crown 35°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.0%

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: $10,236 CAD|Low: $6,681 CAD|High: $10,609 CAD|Avg: $8,344 CAD|-3.3%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$6,681 CAD
Retailer 6$7,116 CAD
Retailer 5$7,963 CAD
Retailer 10$8,044 CAD
Retailer 7$8,049 CAD
Retailer 8$8,491 CAD
Retailer 9$8,491 CAD
Retailer 4$8,565 CAD
Retailer 2$8,600 CAD
Retailer 11$8,771 CAD
Cape Diamonds$10,236 CAD

44 data points across 11 retailers

12 retailers$6,681 CAD to $10,236 CAD

Retailer 1
-
$6,130 CAD
Price last confirmed 68 days ago
B+
Retailer 2
-
$6,681 CAD
View
B+
Retailer 3
-
$7,116 CAD
View
B+
Retailer 4
-
$7,963 CAD
View
B+
Retailer 5
-
$8,044 CAD
View
B+
Retailer 6
-
$8,049 CAD
View
B
Retailer 7
-
$8,491 CAD
View
B
Retailer 8
-
$8,491 CAD
View
B
Retailer 9
-
$8,565 CAD
View
B
Retailer 10
-
$8,600 CAD
View
B
Retailer 11
-
$8,771 CAD
View
Most Expensive
B
Cape Diamonds
cert_1539355495 · Nov 5
$10,236 CAD
ZAR 118,408 ZAR
View
11 more retailers have this diamond
Prices start from $6,681 CADSave up to $3,555 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
$6,681 CAD