Round|Natural|GIA

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1448644864

Certificate GIA 1448644864

Diamond specifications and retailer prices

From $13,191 NZD
As of November 1, 2026
Save $10,611 NZD (45%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $28,642 NZD at NZ Jewellers · As of October 17, 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 1448644864. Listed at 20 retailers as of November 1, 2026, with a 80% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
OriginNatural
Grading LabGIA
CertificateGIA 1448644864
Dimensions7.34 × 7.30 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
Additional pinpoints are not shown.
Key to symbols
Crystal, Needle, Pinpoint, Knot, Natural
Top View
7.34 mm7.30 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1448644864
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilionCulet: NoneDepth 62.0%

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 1
Current: $28,642 NZD|Low: $13,127 NZD|High: $28,642 NZD|Avg: $17,970 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 12$13,191 NZD
Retailer 11$13,409 NZD
Retailer 10$13,537 NZD
Retailer 4$14,258 NZD
Retailer 13$14,320 NZD
Retailer 5$15,516 NZD
Retailer 2$15,724 NZD
Retailer 3$15,969 NZD
Retailer 9$16,421 NZD
Retailer 7$18,568 NZD
Retailer 6$20,893 NZD
Retailer 8$23,802 NZD
NZ Jewellers$28,642 NZD

39 data points across 13 retailers

20 retailers$13,191 NZD to $23,802 NZD

A
Cheapest Retailer
-
$13,191 NZD
A
Retailer 2
-
$13,409 NZD
View
B+
Retailer 3
-
$13,537 NZD
View
B+
Retailer 4
-
$14,258 NZD
View
B+
Retailer 5
-
$14,320 NZD
View
Final sale: no returns
Retailer 6
-
$14,322 NZD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
$15,261 NZD
View
Retailer 8
-
$15,516 NZD
View
Price last confirmed 19 days ago
B+
Retailer 9
-
$15,724 NZD
View
Retailer 10
-
$15,754 NZD
View
Price last confirmed 22 days ago
Retailer 11
-
$15,969 NZD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$16,421 NZD
View
Retailer 13
-
$16,421 NZD
View
Price last confirmed 18 days ago
B
Retailer 14
-
$17,124 NZD
View
Retailer 15
-
$17,901 NZD
View
Price last confirmed 19 days ago
B+
Retailer 16
-
$18,568 NZD
View
Retailer 17
-
$18,853 NZD
View
Price last confirmed 22 days ago
B
Retailer 18
-
$20,893 NZD
View
B
Retailer 19
-
$23,802 NZD
View
Most Expensive
NZ Jewellers
2785a024-740c-422b-9481-aaab4d15f1ba · Oct 17
$28,642 NZD
$16,101 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from $13,191 NZDSave up to $10,611 NZD

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
$13,191 NZD