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Round|Natural|GIA

1.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2547875031

Certificate GIA 2547875031

Diamond specifications and retailer prices

From $7,082 AUD
As of November 4, 2026
Save $5,325 AUD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,407 AUD 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 $7,082 to $12,407, a $5,325 spread on the same certified stone. Wholesale Diamonds Direct lists it at $12,407. 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
Colour
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: $10,833 AUD|Low: $7,082 AUD|High: $12,531 AUD|Avg: $9,087 AUD|-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$7,082 AUD
Retailer 6$7,088 AUD
Retailer 7$8,377 AUD
Retailer 4$8,421 AUD
Retailer 10$8,514 AUD
Retailer 3$8,654 AUD
Retailer 8$8,980 AUD
Retailer 9$8,980 AUD
Retailer 5$9,070 AUD
Retailer 11$9,285 AUD
Retailer 1$10,833 AUD
Wholesale Diamonds Direct$12,407 AUD

42 data points across 12 retailers

12 retailers$7,082 AUD to $12,407 AUD

B+
Cheapest Retailer
-
$7,082 AUD
B+
Retailer 2
-
$7,088 AUD
View
B+
Retailer 3
-
$8,377 AUD
View
B+
Retailer 4
-
$8,421 AUD
View
B+
Retailer 5
-
$8,514 AUD
View
B
Retailer 6
-
$8,654 AUD
View
B
Retailer 7
-
$8,980 AUD
View
B
Retailer 8
-
$8,980 AUD
View
B+
Retailer 9
-
$9,070 AUD
View
B
Retailer 10
-
$9,285 AUD
View
B
Retailer 11
-
$10,833 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
235736463 · Nov 6
$12,407 AUD
$8,525 USD
View
11 more retailers have this diamond
Prices start from $7,082 AUDSave up to $5,325 AUD

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
$7,082 AUD