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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 2447864922

Certificate GIA 2447864922

Diamond specifications and retailer prices

From $6,867 NZD
As of November 6, 2026
Save $8,504 NZD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $15,371 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2447864922. Listed at 14 retailers as of November 5, 2026, with prices from $6,867 to $15,371, a $8,504 spread on the same certified stone. NZ Jewellers lists it at $15,371. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2447864922
Dimensions8.59 × 6.28 × 4.07 mm
L/W Ratio1.37
Top View
8.59 mm6.28 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2447864922
Side View
Table 61.0%CrownGirdle: UNDPavilionCulet: NDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $15,371 NZD|Low: $6,867 NZD|High: $15,371 NZD|Avg: $9,734 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$6,867 NZD
Retailer 6$7,345 NZD
Retailer 8$8,327 NZD
Retailer 9$8,327 NZD
Retailer 11$8,327 NZD
Retailer 4$9,050 NZD
Retailer 2$9,158 NZD
Retailer 10$9,608 NZD
Retailer 7$10,396 NZD
Retailer 5$14,599 NZD
NZ Jewellers$15,371 NZD

44 data points across 11 retailers

14 retailers$6,867 NZD to $15,371 NZD

B+
Cheapest Retailer
-
$6,867 NZD
B+
Retailer 2
-
$7,261 NZD
View
B+
Retailer 3
-
$7,345 NZD
View
B+
Retailer 4
-
$8,267 NZD
View
Retailer 5
-
$8,327 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$8,327 NZD
View
B+
Retailer 7
-
$8,327 NZD
View
B+
Retailer 8
-
$9,050 NZD
View
B+
Retailer 9
-
$9,158 NZD
View
B
Retailer 10
-
$9,512 NZD
View
B
Retailer 11
-
$9,608 NZD
View
B
Retailer 12
-
$10,396 NZD
View
B
Retailer 13
-
$14,599 NZD
View
Most Expensive
C
NZ Jewellers
17671d82-d46a-47d7-843d-2b13f8a86746 · Nov 5
$15,371 NZD
$8,521 USD
View
13 more retailers have this diamond
Prices start from $6,867 NZDSave up to $8,504 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.

B+
1.51ct Oval
$6,867 NZD