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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 7566111843

Certificate GIA 7566111843

Diamond specifications and retailer prices

From $6,245 NZD
As of November 6, 2026
Save $4,791 NZD (43%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,794 NZD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566111843. Listed at 18 retailers as of November 6, 2026, with a 77% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7566111843
Dimensions7.33 × 7.30 × 4.59 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
7.33 mm7.30 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566111843
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NDepth 62.7%

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: $14,794 NZD|Low: $6,245 NZD|High: $17,317 NZD|Avg: $9,642 NZD|-1.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 3$6,245 NZD
Retailer 16$6,837 NZD
Retailer 17$7,169 NZD
Retailer 10$8,332 NZD
Retailer 12$8,388 NZD
Retailer 5$8,491 NZD
Retailer 6$8,491 NZD
Retailer 8$8,491 NZD
Retailer 14$8,659 NZD
Retailer 15$8,659 NZD
Retailer 4$8,762 NZD
Retailer 11$8,947 NZD
Retailer 13$9,631 NZD
Retailer 9$9,797 NZD
Retailer 2$11,036 NZD
Retailer 7$13,596 NZD
NZ Jewellers$14,794 NZD

23 data points across 17 retailers

18 retailers$6,245 NZD to $11,036 NZD

A
Cheapest Retailer
-
$6,245 NZD
A
Retailer 2
-
$6,837 NZD
View
B+
Retailer 3
-
$7,169 NZD
View
Final sale: no returns
B+
Retailer 4
-
$8,332 NZD
View
B+
Retailer 5
-
$8,388 NZD
View
Retailer 6
-
$8,491 NZD
View
Price last confirmed 8 days ago
Retailer 7
-
$8,491 NZD
View
Price last confirmed 8 days ago
Retailer 8
-
$8,491 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$8,659 NZD
View
B+
Retailer 10
-
$8,659 NZD
View
Retailer 11
-
$8,762 NZD
View
Price last confirmed 7 days ago
Retailer 12
-
$8,875 NZD
View
Price last confirmed 38 days ago
B+
Retailer 13
-
$8,947 NZD
View
B
Retailer 14
-
$9,631 NZD
View
B
Retailer 15
-
$9,797 NZD
View
B
Retailer 16
-
$11,036 NZD
View
Retailer 17
-
$13,596 NZD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
0758b436-926d-41b7-9da1-32895e0537e0 · Oct 30
$14,794 NZD
$8,201 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from $6,245 NZDSave up to $4,791 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
$6,245 NZD