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Oval|Natural|GIA

1.50ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 5242048243

Certificate GIA 5242048243

Diamond specifications and retailer prices

From $11,508 NZD
$6,460 USD
As of October 28, 2026
Save $14,190 NZD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $25,698 NZD at NZ Jewellers · As of October 27, 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 E 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 5242048243. Listed at 22 retailers as of October 27, 2026, with prices from $11,508 to $25,698, a $14,190 spread on the same certified stone. NZ Jewellers lists it at $25,698. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5242048243
Dimensions9.21 × 6.37 × 3.98 mm
L/W Ratio1.45
Culet sizeNone
Top View
9.21 mm6.37 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5242048243
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.5%

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: Oct 28
Current: $25,698 NZD|Low: $11,508 NZD|High: $25,698 NZD|Avg: $15,369 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 19$11,508 NZD
Retailer 7$12,030 NZD
Retailer 17$12,338 NZD
Retailer 6$12,836 NZD
Retailer 3$12,848 NZD
Retailer 12$13,228 NZD
Retailer 4$13,919 NZD
Retailer 20$14,134 NZD
Retailer 2$14,315 NZD
Retailer 11$14,375 NZD
Retailer 13$14,459 NZD
Retailer 18$14,546 NZD
Retailer 9$15,321 NZD
Retailer 10$15,321 NZD
Retailer 8$15,838 NZD
Retailer 5$16,062 NZD
Retailer 15$16,764 NZD
Retailer 16$18,708 NZD
Retailer 14$21,528 NZD
NZ Jewellers$25,698 NZD

33 data points across 20 retailers

22 retailers$11,508 NZD to $25,698 NZD

A
Cheapest Retailer
-
$11,508 NZD
$6,460 USD
A
Retailer 2
-
$12,030 NZD
$6,753 USD
View
A
Retailer 3
-
$12,039 NZD
$6,758 USD
View
A
Retailer 4
-
$12,287 NZD
$6,897 USD
View
A
Retailer 5
-
$12,338 NZD
$6,926 USD
View
A
Retailer 6
-
$12,836 NZD
$7,205 USD
View
A
Retailer 7
-
$12,848 NZD
$7,212 USD
View
B+
Retailer 8
-
$13,228 NZD
$7,425 USD
View
B+
Retailer 9
-
$13,919 NZD
$7,813 USD
View
B+
Retailer 10
-
$14,134 NZD
$7,934 USD
View
B+
Retailer 11
-
$14,315 NZD
£6,327 GBP
View
B+
Retailer 12
-
$14,375 NZD
$8,069 USD
View
B+
Retailer 13
-
$14,459 NZD
£6,391 GBP
View
B+
Retailer 14
-
$14,546 NZD
A$12,562 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$15,321 NZD
$8,600 USD
View
B+
Retailer 16
-
$15,321 NZD
$8,600 USD
View
B+
Retailer 17
-
$15,838 NZD
$8,890 USD
View
B+
Retailer 18
-
$16,062 NZD
$9,016 USD
View
B+
Retailer 19
-
$16,764 NZD
€8,962 EUR
View
B+
Retailer 20
-
$18,708 NZD
ZAR 169,650 ZAR
View
B
Retailer 21
-
$21,528 NZD
£9,515 GBP
View
Most Expensive
B
NZ Jewellers
20c3d1fa-fcca-4845-a3bb-2c48535b93d2 · Oct 27
$25,698 NZD
$14,425 USD
View
21 more retailers have this diamond
Prices start from $11,508 NZDSave up to $14,190 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
$11,508 NZD