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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 2564543888

Certificate GIA 2564543888

Diamond specifications and retailer prices

From $7,735 NZD
As of November 6, 2026
Save $9,157 NZD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $16,892 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564543888. Listed at 22 retailers as of November 5, 2026, with prices from $7,735 to $16,892, a $9,157 spread on the same certified stone. NZ Jewellers lists it at $16,892. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.92°
Pavilion angle38.57°
OriginNatural
Grading LabGIA
CertificateGIA 2564543888
Dimensions8.42 × 6.04 × 3.97 mm
L/W Ratio1.39
Culet sizeLarge
Key to symbols
Twinning Wisp, Crystal, Indented Natural
Top View
8.42 mm6.04 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564543888
Side View
Table 53.0%Crown 41.92°Girdle: THK-ETKPavilion 38.57°Culet: LargeDepth 65.7%

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: $16,892 NZD|Low: $7,665 NZD|High: $16,892 NZD|Avg: $10,940 NZD
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
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Retailer 21
Retailer 22
November 6, 2026
Retailer 20$7,735 NZD
Retailer 2$7,811 NZD
Retailer 3$8,523 NZD
Retailer 8$8,623 NZD
Retailer 12$8,808 NZD
Retailer 18$8,915 NZD
Retailer 22$9,261 NZD
Retailer 10$9,443 NZD
Retailer 16$9,698 NZD
Retailer 14$9,835 NZD
Retailer 4$10,100 NZD
Retailer 6$10,100 NZD
Retailer 21$10,100 NZD
Retailer 9$10,376 NZD
Retailer 5$10,556 NZD
Retailer 13$11,365 NZD
Retailer 11$11,653 NZD
Retailer 17$12,322 NZD
Retailer 7$14,678 NZD
Retailer 15$15,090 NZD
Retailer 19$16,042 NZD
NZ Jewellers$16,892 NZD

24 data points across 22 retailers

22 retailers$7,735 NZD to $16,892 NZD

B+
Cheapest Retailer
-
$7,735 NZD
B+
Retailer 2
-
$7,811 NZD
View
Retailer 3
-
$8,523 NZD
View
Price last confirmed 16 days ago
B+
Retailer 4
-
$8,623 NZD
View
B+
Retailer 5
-
$8,808 NZD
View
B+
Retailer 6
-
$8,915 NZD
View
B+
Retailer 7
-
$9,261 NZD
View
B
Retailer 8
-
$9,443 NZD
View
B
Retailer 9
-
$9,698 NZD
View
Retailer 10
-
$9,835 NZD
View
Price last confirmed 22 days ago
B
Retailer 11
-
$10,100 NZD
View
Retailer 12
-
$10,100 NZD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$10,100 NZD
View
B
Retailer 14
-
$10,376 NZD
View
B
Retailer 15
-
$10,556 NZD
View
B
Retailer 16
-
$11,365 NZD
View
B
Retailer 17
-
$11,653 NZD
View
B
Retailer 18
-
$12,322 NZD
View
B
Retailer 19
-
$14,678 NZD
View
B
Retailer 20
-
$15,090 NZD
View
B
Retailer 21
-
$16,042 NZD
View
Most Expensive
C
NZ Jewellers
6472b515-dd9f-4a76-be3e-566085752808 · Nov 5
$16,892 NZD
$9,364 USD
View
21 more retailers have this diamond
Prices start from $7,735 NZDSave up to $9,157 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+
1.50ct Oval
$7,735 NZD