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Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6532912878

Certificate GIA 6532912878

Diamond specifications and retailer prices

From $15,028 NZD
As of November 6, 2026
Save $11,659 NZD (44%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $28,480 NZD at NZ Jewellers · As of October 30, 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 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 6532912878. Listed at 25 retailers as of November 2, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532912878
Dimensions8.78 × 6.33 × 4.10 mm
L/W Ratio1.39
Top View
8.78 mm6.33 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6532912878
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: 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: $28,480 NZD|Low: $15,028 NZD|High: $28,480 NZD|Avg: $20,329 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
November 6, 2026
Retailer 13$15,028 NZD
Retailer 14$15,999 NZD
Retailer 11$16,444 NZD
Retailer 4$18,512 NZD
Retailer 10$18,798 NZD
Retailer 5$19,002 NZD
Retailer 12$19,024 NZD
Retailer 7$19,827 NZD
Retailer 3$20,077 NZD
Retailer 6$20,077 NZD
Retailer 2$20,471 NZD
Retailer 9$25,103 NZD
Retailer 8$26,687 NZD
NZ Jewellers$28,480 NZD

42 data points across 14 retailers

25 retailers$15,028 NZD to $26,687 NZD

B+
Cheapest Retailer
-
$15,028 NZD
B+
Retailer 2
-
$15,808 NZD
View
B+
Retailer 3
-
$15,999 NZD
View
B+
Retailer 4
-
$16,266 NZD
View
B+
Retailer 5
-
$16,437 NZD
View
B+
Retailer 6
-
$16,444 NZD
View
Final sale: no returns
B+
Retailer 7
-
$16,930 NZD
View
Retailer 8
-
$17,088 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$18,512 NZD
View
B+
Retailer 10
-
$18,797 NZD
View
Retailer 11
-
$18,798 NZD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$19,002 NZD
View
B+
Retailer 13
-
$19,024 NZD
View
B
Retailer 14
-
$19,704 NZD
View
B
Retailer 15
-
$19,827 NZD
View
B
Retailer 16
-
$20,077 NZD
View
B
Retailer 17
-
$20,077 NZD
View
B+
Retailer 18
-
$20,471 NZD
View
B
Retailer 19
-
$20,763 NZD
View
B
Retailer 20
-
$20,776 NZD
View
B
Retailer 21
-
$21,360 NZD
View
B
Retailer 22
-
$21,878 NZD
View
B
Retailer 23
-
$25,103 NZD
View
B
Retailer 24
-
$26,687 NZD
View
Most Expensive
NZ Jewellers
841182a5-dc27-46c6-9607-000e2dfa2f1b · Oct 30
$28,480 NZD
$15,788 USD
View
Price last confirmed 7 days ago
24 more retailers have this diamond
Prices start from $15,028 NZDSave up to $11,659 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
$15,028 NZD