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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 $3,334 USD
As of November 6, 2026
Save $5,690 USD (63%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,024 USD 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 $3,334 to $9,024, a $5,690 spread on the same certified stone. Adiamor lists it at $9,024. 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
Color
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: $3,334 USD|Low: $3,334 USD|High: $7,481 USD|Avg: $4,763 USD|-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$3,334 USD
Retailer 10$3,366 USD
Retailer 11$4,035 USD
Retailer 3$4,048 USD
Retailer 2$4,130 USD
Retailer 7$4,540 USD
Retailer 9$4,709 USD
Retailer 4$4,901 USD
Retailer 6$5,168 USD
Retailer 5$5,663 USD
Retailer 8$7,373 USD

28 data points across 11 retailers

21 retailers$3,334 USD to $9,024 USD

A
Cheapest Retailer
-
$3,334 USD
A
Retailer 2
-
$3,366 USD
View
A
Retailer 3
-
$4,035 USD
View
A
Retailer 4
-
$4,048 USD
View
A
Retailer 5
-
$4,130 USD
View
A
Retailer 6
-
$4,275 USD
View
A
Retailer 7
-
$4,385 USD
View
A
Retailer 8
-
$4,540 USD
View
A
Retailer 9
-
$4,590 USD
View
B+
Retailer 10
-
$4,642 USD
View
Retailer 11
-
$4,642 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$4,642 USD
View
A
Retailer 13
-
$4,709 USD
View
B+
Retailer 14
-
$4,791 USD
View
A
Retailer 15
-
$4,901 USD
View
B+
Retailer 16
-
$5,168 USD
View
B+
Retailer 17
-
$5,356 USD
View
B+
Retailer 18
-
$5,663 USD
View
B
Retailer 19
-
$7,373 USD
View
B
Retailer 20
-
$8,087 USD
View
Most Expensive
B
Adiamor
D-64679917 · Nov 5
$9,024 USD
View
20 more retailers have this diamond
Prices start from $3,334 USDSave up to $5,690 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.

A
1.55ct Round
$3,334 USD