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Oval|Natural|GIA

1.50ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 3545039330

Certificate GIA 3545039330

Diamond specifications and retailer prices

From $9,422 AUD
As of November 6, 2026
Save $11,809 AUD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $21,231 AUD 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 H 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 3545039330. Listed at 25 retailers as of November 5, 2026, with prices from $9,422 to $21,231, a $11,809 spread on the same certified stone. NZ Jewellers lists it at $21,231. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 3545039330
Dimensions9.25 × 6.44 × 3.91 mm
L/W Ratio1.44
Top View
9.25 mm6.44 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 3545039330
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.7%

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: $13,107 AUD|Low: $9,744 AUD|High: $17,903 AUD|Avg: $12,731 AUD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$9,744 AUD
Retailer 8$10,154 AUD
Retailer 2$11,713 AUD
Retailer 4$11,886 AUD
Retailer 7$12,020 AUD
Retailer 1$13,107 AUD
Retailer 3$15,487 AUD
Retailer 5$17,642 AUD

36 data points across 8 retailers

25 retailers$9,422 AUD to $21,231 AUD

B+
Cheapest Retailer
-
$9,422 AUD
B+
Retailer 2
-
$9,744 AUD
View
B+
Retailer 3
-
$9,855 AUD
View
B+
Retailer 4
-
$9,940 AUD
View
B+
Retailer 5
-
$10,154 AUD
View
Final sale: no returns
B+
Retailer 6
-
$10,195 AUD
View
B
Retailer 7
-
$10,489 AUD
View
B
Retailer 8
-
$10,603 AUD
View
Retailer 9
-
$10,616 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$10,996 AUD
View
B
Retailer 11
-
$11,501 AUD
View
B
Retailer 12
-
$11,677 AUD
View
B+
Retailer 13
-
$11,713 AUD
View
B
Retailer 14
-
$11,748 AUD
View
B
Retailer 15
-
$11,873 AUD
View
B
Retailer 16
-
$11,886 AUD
View
Retailer 17
-
$12,020 AUD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$12,169 AUD
View
B
Retailer 19
-
$12,831 AUD
View
B
Retailer 20
-
$13,107 AUD
View
B
Retailer 21
-
$13,269 AUD
View
B
Retailer 22
-
$14,014 AUD
View
B
Retailer 23
-
$15,487 AUD
View
B
Retailer 24
-
$17,642 AUD
View
Most Expensive
B
NZ Jewellers
803b07d0-0b9c-462c-9c59-ba5552816e66 · Nov 5
$21,231 AUD
$14,588 USD
View
24 more retailers have this diamond
Prices start from $9,422 AUDSave up to $11,809 AUD

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
$9,422 AUD