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Oval|Natural|GIA

1.54ct I SI2 Oval Natural Diamond

GD • I/SI2 • GIA 1525436245

Certificate GIA 1525436245

Diamond specifications and retailer prices

From $10,739 NZD
As of November 6, 2026
Save $12,871 NZD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $23,609 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural oval diamond

This 1.54ct 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 1525436245. Listed at 13 retailers as of November 5, 2026, with prices from $10,739 to $23,609, a $12,871 spread on the same certified stone. NZ Jewellers lists it at $23,609. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1525436245
Dimensions9.46 × 6.35 × 4.03 mm
L/W Ratio1.49
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
9.46 mm6.35 mm1.54 ctI / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1525436245
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.5%

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: $10,739 NZD|Low: $10,739 NZD|High: $19,910 NZD|Avg: $13,691 NZD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$10,739 NZD
Retailer 6$11,094 NZD
Retailer 5$11,904 NZD
Retailer 3$13,177 NZD
Retailer 2$14,247 NZD
Retailer 4$19,619 NZD

43 data points across 6 retailers

13 retailers$10,739 NZD to $23,609 NZD

B+
Cheapest Retailer
-
$10,739 NZD
B+
Retailer 2
-
$11,725 NZD
View
Retailer 3
-
$11,805 NZD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$11,904 NZD
View
B
Retailer 5
-
$12,788 NZD
View
B
Retailer 6
-
$12,984 NZD
View
B
Retailer 7
-
$13,177 NZD
View
B
Retailer 8
-
$13,495 NZD
View
B
Retailer 9
-
$14,247 NZD
View
B
Retailer 10
-
$14,756 NZD
View
B
Retailer 11
-
$15,230 NZD
View
B
Retailer 12
-
$19,619 NZD
View
Most Expensive
C
NZ Jewellers
f67c1a89-4bb8-4784-bc0b-6438471cb661 · Nov 5
$23,609 NZD
$13,088 USD
View
12 more retailers have this diamond
Prices start from $10,739 NZDSave up to $12,871 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+
1.54ct Oval
$10,739 NZD