Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 2567065921

Certificate GIA 2567065921

Diamond specifications and retailer prices

From $15,607 NZD
As of November 6, 2026
Save $14,411 NZD (48%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $30,019 NZD at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567065921. Listed at 23 retailers as of November 6, 2026, with prices from $15,607 to $30,019, a $14,411 spread on the same certified stone. With Clarity lists it at $30,019. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.25°
Pavilion angle36.44°
OriginNatural
Grading LabGIA
CertificateGIA 2567065921
Dimensions8.74 × 6.20 × 4.02 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Feather, Cloud, Pinpoint
Top View
8.74 mm6.20 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567065921
Side View
Table 61.0%Crown 41.25°Girdle: MED-VTKPavilion 36.44°Culet: NoneDepth 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: $19,015 NZD|Low: $15,939 NZD|High: $26,972 NZD|Avg: $20,798 NZD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$15,939 NZD
Retailer 5$18,230 NZD
Retailer 2$18,521 NZD
Retailer 8$18,798 NZD
Retailer 1$19,015 NZD
Retailer 7$21,524 NZD
Retailer 9$23,490 NZD
Retailer 3$24,930 NZD
Retailer 6$26,615 NZD

25 data points across 9 retailers

23 retailers$15,607 NZD to $30,019 NZD

B+
Cheapest Retailer
-
$15,607 NZD
B+
Retailer 2
-
$15,939 NZD
View
Retailer 3
-
$17,271 NZD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$17,501 NZD
View
B+
Retailer 5
-
$17,967 NZD
View
B+
Retailer 6
-
$18,230 NZD
View
B+
Retailer 7
-
$18,521 NZD
View
B+
Retailer 8
-
$18,634 NZD
View
Retailer 9
-
$18,798 NZD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$18,862 NZD
View
Final sale: no returns
Retailer 11
-
$18,862 NZD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$19,015 NZD
View
B
Retailer 13
-
$20,384 NZD
View
B
Retailer 14
-
$20,435 NZD
View
B
Retailer 15
-
$20,748 NZD
View
B
Retailer 16
-
$20,913 NZD
View
B
Retailer 17
-
$21,447 NZD
View
B
Retailer 18
-
$21,524 NZD
View
B
Retailer 19
-
$23,577 NZD
View
B
Retailer 20
-
$24,930 NZD
View
B
Retailer 21
-
$26,615 NZD
View
B
Retailer 22
-
$28,480 NZD
View
Most Expensive
B
With Clarity
2567065921 · Nov 6
$30,019 NZD
$16,641 USD
View
22 more retailers have this diamond
Prices start from $15,607 NZDSave up to $14,411 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
$15,607 NZD