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Oval|Natural|GIA

1.50ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 6565013381

Certificate GIA 6565013381

Diamond specifications and retailer prices

From $5,215 NZD
As of November 4, 2026
Save $4,292 NZD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,507 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 6565013381. Listed at 13 retailers as of November 4, 2026, with prices from $5,215 to $9,507, a $4,292 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,507. 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 angle38.31°
Pavilion angle39.05°
OriginNatural
Grading LabGIA
CertificateGIA 6565013381
Dimensions8.98 × 6.46 × 4.02 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.98 mm6.46 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565013381
Side View
Table 58.0%Crown 38.31°Girdle: MED-THKPavilion 39.05°Culet: NoneDepth 62.2%

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: $7,237 NZD|Low: $5,215 NZD|High: $10,074 NZD|Avg: $6,733 NZD|-7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$5,215 NZD
Retailer 12$5,311 NZD
Retailer 7$5,343 NZD
Retailer 9$5,623 NZD
Retailer 10$5,635 NZD
Retailer 6$6,050 NZD
Retailer 4$6,283 NZD
Retailer 2$6,691 NZD
Retailer 3$6,828 NZD
Retailer 5$6,950 NZD
Retailer 1$7,237 NZD
Retailer 11$8,796 NZD
Wholesale Diamonds Direct$9,507 NZD

29 data points across 13 retailers

13 retailers$5,215 NZD to $9,507 NZD

A
Cheapest Retailer
-
$5,215 NZD
A
Retailer 2
-
$5,311 NZD
View
A
Retailer 3
-
$5,343 NZD
View
A
Retailer 4
-
$5,623 NZD
View
A
Retailer 5
-
$5,635 NZD
View
A
Retailer 6
-
$6,050 NZD
View
A
Retailer 7
-
$6,283 NZD
View
A
Retailer 8
-
$6,691 NZD
View
A
Retailer 9
-
$6,828 NZD
View
A
Retailer 10
-
$6,950 NZD
View
B+
Retailer 11
-
$7,237 NZD
View
B+
Retailer 12
-
$8,796 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
387256970 · Nov 6
$9,507 NZD
$5,270 USD
View
12 more retailers have this diamond
Prices start from $5,215 NZDSave up to $4,292 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
1.50ct Oval
$5,215 NZD