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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 2557576321

Certificate GIA 2557576321

Diamond specifications and retailer prices

From $7,943 NZD
$4,469 USD
As of November 2, 2026
Save $9,237 NZD (54%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $17,179 NZD at NZ Jewellers · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557576321. Listed at 26 retailers as of November 2, 2026, with prices from $7,943 to $17,179, a $9,237 spread on the same certified stone. NZ Jewellers lists it at $17,179. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 2557576321
Dimensions9.46 × 6.05 × 3.92 mm
L/W Ratio1.56
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity
Top View
9.46 mm6.05 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557576321
Side View
Table 63.0%Crown 37.9°Girdle: MED-VTKPavilionCulet: NoneDepth 64.8%

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 2
Current: $17,179 NZD|Low: $7,943 NZD|High: $17,179 NZD|Avg: $10,682 NZD|+10.4%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 2, 2026
Retailer 7$7,943 NZD
Retailer 8$8,025 NZD
Retailer 3$8,115 NZD
Retailer 16$8,115 NZD
Retailer 25$8,217 NZD
Retailer 9$8,588 NZD
Retailer 18$8,727 NZD
Retailer 2$9,139 NZD
Retailer 11$9,206 NZD
Retailer 13$9,306 NZD
Retailer 24$9,306 NZD
Retailer 19$9,468 NZD
Retailer 4$9,548 NZD
Retailer 20$9,678 NZD
Retailer 14$9,859 NZD
Retailer 22$10,021 NZD
Retailer 10$10,166 NZD
Retailer 12$10,166 NZD
Retailer 5$10,269 NZD
Retailer 15$10,504 NZD
Retailer 6$10,737 NZD
Retailer 21$10,971 NZD
Retailer 17$14,879 NZD
Retailer 23$15,134 NZD
NZ Jewellers$17,179 NZD

20 data points across 25 retailers

26 retailers$7,943 NZD to $17,179 NZD

A
Cheapest Retailer
-
$7,943 NZD
$4,469 USD
A
Retailer 2
-
$8,025 NZD
$4,515 USD
View
A
Retailer 3
-
$8,115 NZD
$4,566 USD
View
A
Retailer 4
-
$8,115 NZD
$4,566 USD
View
A
Retailer 5
-
$8,217 NZD
$4,623 USD
View
A
Retailer 6
-
$8,460 NZD
A$7,323 AUD
View
A
Retailer 7
-
$8,588 NZD
$4,832 USD
View
Final sale: no returns
Retailer 8
-
$8,727 NZD
$4,910 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$9,139 NZD
CA$7,141 CAD
View
A
Retailer 10
-
$9,206 NZD
$5,180 USD
View
A
Retailer 11
-
$9,306 NZD
$5,236 USD
View
A
Retailer 12
-
$9,306 NZD
$5,236 USD
View
A
Retailer 13
-
$9,468 NZD
$5,327 USD
View
A
Retailer 14
-
$9,548 NZD
$5,372 USD
View
B+
Retailer 15
-
$9,678 NZD
£4,288 GBP
View
A
Retailer 16
-
$9,859 NZD
$5,547 USD
View
A
Retailer 17
-
$10,021 NZD
£4,439 GBP
View
A
Retailer 18
-
$10,166 NZD
$5,720 USD
View
A
Retailer 19
-
$10,166 NZD
$5,720 USD
View
A
Retailer 20
-
$10,269 NZD
$5,778 USD
View
B+
Retailer 21
-
$10,504 NZD
$5,910 USD
View
B+
Retailer 22
-
$10,737 NZD
$6,041 USD
View
B+
Retailer 23
-
$10,971 NZD
€5,879 EUR
View
B
Retailer 24
-
$14,879 NZD
$8,371 USD
View
B
Retailer 25
-
$15,134 NZD
£6,705 GBP
View
Most Expensive
B
NZ Jewellers
d2ab3c1f-a838-4bcb-bc8e-6cbec82ee8cc · Nov 2
$17,179 NZD
$9,666 USD
View
25 more retailers have this diamond
Prices start from $7,943 NZDSave up to $9,237 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
$7,943 NZD