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Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2557794801

Certificate GIA 2557794801

Diamond specifications and retailer prices

From $6,462 NZD
As of November 4, 2026
Save $10,856 NZD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,317 NZD at Jared · As of November 4, 2026
View at Jared

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 2557794801. Listed at 18 retailers as of November 4, 2026, with prices from $6,462 to $17,317, a $10,856 spread on the same certified stone. Jared lists it at $17,317. 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
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557794801
Dimensions7.40 × 7.35 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Cavity
Top View
7.40 mm7.35 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557794801
Side View
Table 56.0%Crown 34°Girdle: MediumPavilion 40.8°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 4
Current: $17,317 NZD|Low: $6,462 NZD|High: $17,317 NZD|Avg: $9,225 NZD
Jared
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
November 5, 2026
Retailer 13$6,462 NZD
Retailer 11$6,501 NZD
Retailer 12$6,817 NZD
Retailer 2$7,787 NZD
Retailer 3$8,069 NZD
Retailer 4$8,069 NZD
Retailer 5$8,069 NZD
Retailer 15$8,338 NZD
Retailer 14$9,189 NZD
Retailer 7$9,310 NZD
Retailer 9$9,983 NZD
Retailer 8$12,894 NZD
Retailer 6$14,058 NZD
Retailer 10$16,758 NZD
Jared$17,317 NZD

23 data points across 15 retailers

18 retailers$6,462 NZD to $17,317 NZD

Retailer 1
-
$5,350 NZD
Price last confirmed 82 days ago
A
Retailer 2
-
$6,462 NZD
View
A
Retailer 3
-
$6,501 NZD
View
A
Retailer 4
-
$6,817 NZD
View
Final sale: no returns
B+
Retailer 5
-
$7,787 NZD
View
Retailer 6
-
$8,069 NZD
View
Price last confirmed 8 days ago
Retailer 7
-
$8,069 NZD
View
Price last confirmed 8 days ago
Retailer 8
-
$8,069 NZD
View
Price last confirmed 8 days ago
Retailer 9
-
$8,338 NZD
View
Price last confirmed 7 days ago
Retailer 10
-
$8,478 NZD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$9,189 NZD
View
B+
Retailer 12
-
$9,310 NZD
View
B+
Retailer 13
-
$9,983 NZD
View
Retailer 14
-
$10,381 NZD
View
Price last confirmed 70 days ago
B
Retailer 15
-
$12,894 NZD
View
Retailer 16
-
$14,058 NZD
View
Price last confirmed 7 days ago
C
Retailer 17
-
$16,758 NZD
View
Most Expensive
B
Jared
160318552 · Nov 4
$17,317 NZD
$9,600 USD
View
17 more retailers have this diamond
Prices start from $6,462 NZDSave up to $10,856 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
$6,462 NZD