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Oval|Natural|GIA

1.50ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 1545745975

Certificate GIA 1545745975

Diamond specifications and retailer prices

From $8,916 NZD
$5,025 USD
As of November 2, 2026
Save $6,991 NZD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,907 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545745975. Listed at 8 retailers as of October 30, 2026, with prices from $8,916 to $15,907, a $6,991 spread on the same certified stone. NZ Jewellers lists it at $15,907. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle39.46°
Pavilion angle40.49°
OriginNatural
Grading LabGIA
CertificateGIA 1545745975
Dimensions8.47 × 6.33 × 4.17 mm
L/W Ratio1.34
Girdle conditionVery Thick
Key to symbols
Crystal
Top View
8.47 mm6.33 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1545745975
Side View
Table 63.0%Crown 39.46°Girdle: STK-VTKPavilion 40.49°Culet: NoneDepth 65.9%

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 2
Current: $15,907 NZD|Low: $8,916 NZD|High: $16,148 NZD|Avg: $10,950 NZD|-1.5%
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 1, 2026
Retailer 7$8,916 NZD
Retailer 2$8,962 NZD
Retailer 5$9,510 NZD
Retailer 6$9,510 NZD
Retailer 9$9,723 NZD
Retailer 10$9,733 NZD
Retailer 12$9,847 NZD
Retailer 3$10,256 NZD
Retailer 11$10,516 NZD
Retailer 4$10,737 NZD
Retailer 8$15,228 NZD
NZ Jewellers$15,907 NZD

32 data points across 12 retailers

8 retailers$8,916 NZD to $15,907 NZD

A
Cheapest Retailer
-
$8,916 NZD
$5,025 USD
A
Retailer 2
-
$8,962 NZD
£3,977 GBP
View
A
Retailer 3
-
$9,510 NZD
$5,360 USD
View
A
Retailer 4
-
$9,510 NZD
$5,360 USD
View
A
Retailer 5
-
$9,723 NZD
$5,480 USD
View
Retailer 6
-
$9,733 NZD
A$8,439 AUD
View
Price last confirmed 23 days ago
B
Retailer 7
-
$15,228 NZD
£6,758 GBP
View
Most Expensive
B+
NZ Jewellers
bafc5ccc-1899-48c2-b09b-ca8a4404c8cf · Oct 30
$15,907 NZD
$8,965 USD
View
7 more retailers have this diamond
Prices start from $8,916 NZDSave up to $6,991 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
$8,916 NZD