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Round|Natural|IGI

1.55ct J VS1 Round Natural Diamond

GD • J/VS1 • IGI 731521738

Shape and cutting style on the report: Round brilliant

Certificate IGI 731521738

Diamond specifications and retailer prices

From $5,441 AUD
As of November 6, 2026
Save $1,696 AUD (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,137 AUD at Aurelinne · As of November 5, 2026
View at Aurelinne

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 VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI 731521738. Listed at 7 retailers as of November 5, 2026, with prices from $5,441 to $7,137, a $1,696 spread on the same certified stone. Aurelinne lists it at $7,137. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
J
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle28.8°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 731521738
Dimensions7.72 × 7.65 × 4.39 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.72 mm7.65 mm1.55 ctJ / VS1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 731521738
Side View
Table 66.0%Crown 28.8°Girdle: THN-MEDPavilion 41.6°Culet: NoneDepth 57.1%

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 6
Current: $7,137 AUD|Low: $5,233 AUD|High: $17,528 AUD|Avg: $7,919 AUD
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 10, 2026
Retailer 4$5,441 AUD
Retailer 2$5,708 AUD
Retailer 9$5,843 AUD
Retailer 3$5,871 AUD
Retailer 5$6,185 AUD
Retailer 6$6,185 AUD
Retailer 7$6,185 AUD
Retailer 8$6,397 AUD
Aurelinne$7,137 AUD
Retailer 10$17,475 AUD

4 data points across 10 retailers

7 retailers$5,441 AUD to $7,137 AUD

B+
Cheapest Retailer
-
$5,441 AUD
B+
Retailer 2
-
$5,708 AUD
View
Final sale: no returns
B+
Retailer 3
-
$5,871 AUD
View
B+
Retailer 4
-
$6,185 AUD
View
B+
Retailer 5
-
$6,185 AUD
View
B+
Retailer 6
-
$6,397 AUD
View
Most Expensive
B
Aurelinne
61ed02eb-50c8-4b67-9701-245f2887d7df · Nov 5
$7,137 AUD
$4,996 USD
View
6 more retailers have this diamond
Prices start from $5,441 AUDSave up to $1,696 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
$5,441 AUD