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Oval|Natural|GIA

1.50ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 1315028623

Certificate GIA 1315028623

Diamond specifications and retailer prices

From $12,658 NZD
As of November 5, 2026
Save $14,592 NZD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $27,250 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1315028623. Listed at 18 retailers as of November 5, 2026, with prices from $12,658 to $27,250, a $14,592 spread on the same certified stone. NZ Jewellers lists it at $27,250. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1315028623
Dimensions8.78 × 6.19 × 3.96 mm
L/W Ratio1.42
Culet sizeNone
Top View
8.78 mm6.19 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1315028623
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $27,250 NZD|Low: $12,158 NZD|High: $27,250 NZD|Avg: $16,755 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
November 6, 2026
Retailer 8$12,158 NZD
Retailer 10$12,757 NZD
Retailer 4$13,625 NZD
Retailer 12$14,760 NZD
Retailer 11$14,987 NZD
Retailer 6$15,045 NZD
Retailer 9$15,165 NZD
Retailer 2$15,788 NZD
Retailer 5$16,838 NZD
Retailer 3$17,031 NZD
Retailer 7$22,643 NZD
NZ Jewellers$27,250 NZD

42 data points across 12 retailers

18 retailers$12,658 NZD to $27,250 NZD

Retailer 1
-
$12,158 NZD
Price last confirmed 10 days ago
B
Retailer 2
-
$12,658 NZD
View
B
Retailer 3
-
$12,757 NZD
View
B
Retailer 4
-
$13,473 NZD
View
Retailer 5
-
$13,625 NZD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$14,760 NZD
View
B
Retailer 7
-
$14,987 NZD
View
B
Retailer 8
-
$15,045 NZD
View
B
Retailer 9
-
$15,165 NZD
View
B
Retailer 10
-
$15,631 NZD
View
B
Retailer 11
-
$15,788 NZD
View
B
Retailer 12
-
$16,217 NZD
View
B
Retailer 13
-
$16,217 NZD
View
B
Retailer 14
-
$16,758 NZD
View
B
Retailer 15
-
$16,838 NZD
View
B
Retailer 16
-
$17,031 NZD
View
B
Retailer 17
-
$22,643 NZD
View
Most Expensive
C
NZ Jewellers
c2616155-62b5-44da-912c-262b64860db0 · Nov 5
$27,250 NZD
$15,106 USD
View
17 more retailers have this diamond
Prices start from $12,658 NZDSave up to $14,592 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
$12,658 NZD