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Oval|Natural|GIA

1.51ct F SI1 Oval Natural Diamond

VG • F/SI1 • GIA 2556750792

Certificate GIA 2556750792

Diamond specifications and retailer prices

From $9,790 NZD
As of November 5, 2026
Save $12,108 NZD (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,898 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2556750792. Listed at 23 retailers as of November 5, 2026, with prices from $9,790 to $21,898, a $12,108 spread on the same certified stone. NZ Jewellers lists it at $21,898. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle45.4°
Pavilion angle36.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556750792
Dimensions8.33 × 6.38 × 4.18 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Top View
8.33 mm6.38 mm1.51 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556750792
Side View
Table 65.0%Crown 45.4°Girdle: STK-VTKPavilion 36.8°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $21,898 NZD|Low: $9,790 NZD|High: $28,733 NZD|Avg: $14,772 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
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Retailer 11
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Retailer 25
Retailer 26
November 6, 2026
Retailer 26$9,790 NZD
Retailer 10$10,344 NZD
Retailer 16$10,436 NZD
Retailer 17$10,455 NZD
Retailer 4$10,847 NZD
Retailer 12$10,950 NZD
Retailer 23$11,013 NZD
Retailer 2$11,615 NZD
Retailer 7$11,862 NZD
Retailer 14$12,045 NZD
Retailer 13$12,184 NZD
Retailer 6$12,315 NZD
Retailer 8$12,588 NZD
Retailer 20$12,698 NZD
Retailer 19$12,860 NZD
Retailer 5$13,187 NZD
Retailer 9$13,187 NZD
Retailer 22$13,390 NZD
Retailer 21$13,619 NZD
Retailer 25$13,686 NZD
Retailer 15$14,191 NZD
Retailer 3$14,992 NZD
Retailer 24$15,975 NZD
Retailer 11$18,196 NZD
NZ Jewellers$21,898 NZD
Retailer 18$24,517 NZD

23 data points across 26 retailers

23 retailers$9,790 NZD to $21,898 NZD

A
Cheapest Retailer
-
$9,790 NZD
A
Retailer 2
-
$10,344 NZD
View
Retailer 3
-
$10,436 NZD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$10,847 NZD
View
B+
Retailer 5
-
$10,950 NZD
View
Final sale: no returns
A
Retailer 6
-
$11,013 NZD
View
B+
Retailer 7
-
$11,615 NZD
View
B+
Retailer 8
-
$11,862 NZD
View
B+
Retailer 9
-
$12,045 NZD
View
B+
Retailer 10
-
$12,184 NZD
View
B+
Retailer 11
-
$12,315 NZD
View
B+
Retailer 12
-
$12,588 NZD
View
B+
Retailer 13
-
$12,698 NZD
View
B+
Retailer 14
-
$12,860 NZD
View
B+
Retailer 15
-
$13,187 NZD
View
B+
Retailer 16
-
$13,187 NZD
View
B+
Retailer 17
-
$13,390 NZD
View
B+
Retailer 18
-
$13,619 NZD
View
B+
Retailer 19
-
$13,686 NZD
View
B
Retailer 20
-
$14,992 NZD
View
B
Retailer 21
-
$15,975 NZD
View
B
Retailer 22
-
$18,196 NZD
View
Most Expensive
B
NZ Jewellers
20bb4578-7047-4508-a00a-dd547a0f2ff0 · Nov 5
$21,898 NZD
$12,139 USD
View
22 more retailers have this diamond
Prices start from $9,790 NZDSave up to $12,108 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 Oval
$9,790 NZD