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Round|Natural|GIA

1.55ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 1507493403

Certificate GIA 1507493403

Diamond specifications and retailer prices

From $4,763 AUD
As of November 6, 2026
Save $8,128 AUD (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,891 AUD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1507493403. Listed at 21 retailers as of November 5, 2026, with prices from $4,763 to $12,891, a $8,128 spread on the same certified stone. Adiamor lists it at $12,891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1507493403
Dimensions7.61 × 7.56 × 4.48 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud
Top View
7.61 mm7.56 mm1.55 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1507493403
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,763 AUD|Low: $4,763 AUD|High: $10,687 AUD|Avg: $6,804 AUD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$4,763 AUD
Retailer 10$4,808 AUD
Retailer 11$5,764 AUD
Retailer 3$5,783 AUD
Retailer 2$5,900 AUD
Retailer 7$6,485 AUD
Retailer 9$6,727 AUD
Retailer 4$7,001 AUD
Retailer 6$7,382 AUD
Retailer 5$8,090 AUD
Retailer 8$10,532 AUD

28 data points across 11 retailers

21 retailers$4,763 AUD to $12,891 AUD

A
Cheapest Retailer
-
$4,763 AUD
A
Retailer 2
-
$4,808 AUD
View
A
Retailer 3
-
$5,764 AUD
View
A
Retailer 4
-
$5,783 AUD
View
A
Retailer 5
-
$5,900 AUD
View
A
Retailer 6
-
$6,107 AUD
View
A
Retailer 7
-
$6,264 AUD
View
A
Retailer 8
-
$6,485 AUD
View
A
Retailer 9
-
$6,557 AUD
View
B+
Retailer 10
-
$6,631 AUD
View
Retailer 11
-
$6,631 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$6,631 AUD
View
A
Retailer 13
-
$6,727 AUD
View
B+
Retailer 14
-
$6,844 AUD
View
A
Retailer 15
-
$7,001 AUD
View
B+
Retailer 16
-
$7,382 AUD
View
B+
Retailer 17
-
$7,651 AUD
View
B+
Retailer 18
-
$8,090 AUD
View
B
Retailer 19
-
$10,532 AUD
View
B
Retailer 20
-
$11,552 AUD
View
Most Expensive
B
Adiamor
D-64679917 · Nov 5
$12,891 AUD
$9,024 USD
View
20 more retailers have this diamond
Prices start from $4,763 AUDSave up to $8,128 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.

A
1.55ct Round
$4,763 AUD