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Round|Natural|GIA

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 3555105156

Certificate GIA 3555105156

Diamond specifications and retailer prices

From $5,490 USD
As of November 3, 2026
Save $6,466 USD (54%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $11,956 USD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 3555105156. Listed at 29 retailers as of November 2, 2026, with prices from $5,490 to $11,956, a $6,466 spread on the same certified stone. NZ Jewellers lists it at $11,956. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555105156
Dimensions7.39 × 7.34 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
7.39 mm7.34 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3555105156
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 3
Current: $9,936 USD|Low: $4,711 USD|High: $10,082 USD|Avg: $7,146 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 5$5,653 USD
Retailer 7$5,977 USD
Retailer 8$6,476 USD
Retailer 2$6,742 USD
Retailer 9$6,756 USD
Retailer 6$6,938 USD
Retailer 3$7,654 USD
Retailer 4$8,783 USD
Retailer 1$9,936 USD

43 data points across 9 retailers

29 retailers$5,490 USD to $11,956 USD

A
Cheapest Retailer
-
$5,490 USD
A
Retailer 2
-
$5,648 USD
View
A
Retailer 3
-
$5,653 USD
View
A
Retailer 4
-
$5,724 USD
View
A
Retailer 5
-
$5,865 USD
View
A
Retailer 6
-
$5,977 USD
View
Final sale: no returns
A
Retailer 7
-
$6,015 USD
View
Retailer 8
-
$6,476 USD
View
Price last confirmed 55 days ago
A
Retailer 9
-
$6,476 USD
View
A
Retailer 10
-
$6,476 USD
View
A
Retailer 11
-
$6,476 USD
View
Retailer 12
-
$6,516 USD
View
Price last confirmed 13 days ago
A
Retailer 13
-
$6,596 USD
View
A
Retailer 14
-
$6,742 USD
View
A
Retailer 15
-
$6,756 USD
View
Retailer 16
-
$6,938 USD
View
Price last confirmed 14 days ago
A
Retailer 17
-
$7,050 USD
View
A
Retailer 18
-
$7,050 USD
View
B+
Retailer 19
-
$7,290 USD
View
B+
Retailer 20
-
$7,312 USD
View
Retailer 21
-
$7,473 USD
View
Price last confirmed 55 days ago
B+
Retailer 22
-
$7,473 USD
View
B+
Retailer 23
-
$7,654 USD
View
B+
Retailer 24
-
$7,726 USD
View
B+
Retailer 25
-
$8,783 USD
View
B+
Retailer 26
-
$9,936 USD
View
B
Retailer 27
-
$10,364 USD
View
Retailer 28
-
$11,956 USD
View
Price last confirmed 56 days ago
Most Expensive
B
NZ Jewellers
96290c13-2a9a-4f9a-90ae-edca55a74734 · Nov 2
$11,956 USD
View
28 more retailers have this diamond
Prices start from $5,490 USDSave up to $6,466 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
1.51ct Round
$5,490 USD