Round|Natural|GIA

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547875031

Certificate GIA 2547875031

Diamond specifications and retailer prices

From $4,866 USD
As of November 4, 2026
Save $3,659 USD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,525 USD at Wholesale Diamonds Direct · As of November 6, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547875031. Listed at 12 retailers as of November 4, 2026, with prices from $4,866 to $8,525, a $3,659 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,525. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2547875031
Dimensions7.32 × 7.36 × 4.60 mm
L/W Ratio1.01
Top View
7.32 mm7.36 mm1.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2547875031
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: $7,443 USD|Low: $4,866 USD|High: $8,610 USD|Avg: $6,244 USD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$4,866 USD
Retailer 6$4,870 USD
Retailer 7$5,756 USD
Retailer 4$5,786 USD
Retailer 10$5,850 USD
Retailer 3$5,946 USD
Retailer 8$6,170 USD
Retailer 9$6,170 USD
Retailer 5$6,232 USD
Retailer 11$6,380 USD
Retailer 1$7,443 USD
Wholesale Diamonds Direct$8,525 USD

42 data points across 12 retailers

12 retailers$4,866 USD to $8,525 USD

B+
Cheapest Retailer
-
$4,866 USD
B+
Retailer 2
-
$4,870 USD
View
B+
Retailer 3
-
$5,756 USD
View
B+
Retailer 4
-
$5,786 USD
View
B+
Retailer 5
-
$5,850 USD
View
B
Retailer 6
-
$5,946 USD
View
B
Retailer 7
-
$6,170 USD
View
B
Retailer 8
-
$6,170 USD
View
B+
Retailer 9
-
$6,232 USD
View
B
Retailer 10
-
$6,380 USD
View
B
Retailer 11
-
$7,443 USD
View
Most Expensive
B
Wholesale Diamonds Direct
235736463 · Nov 6
$8,525 USD
View
11 more retailers have this diamond
Prices start from $4,866 USDSave up to $3,659 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.

B+
1.55ct Round
$4,866 USD