Oval|Natural|GIA

1.50ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 2547780164

Certificate GIA 2547780164

Diamond specifications and retailer prices

From $10,618 AUD
CA$10,335 CAD
As of November 2, 2026
Save $9,472 AUD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $20,089 AUD 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 F 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 2547780164. Listed at 17 retailers as of October 27, 2026, with prices from $10,618 to $20,089, a $9,472 spread on the same certified stone. NZ Jewellers lists it at $20,089. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2547780164
Dimensions9.07 × 6.15 × 4.01 mm
L/W Ratio1.47
Top View
9.07 mm6.15 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2547780164
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.3%

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 2
Current: $20,089 AUD|Low: $9,420 AUD|High: $22,347 AUD|Avg: $12,606 AUD|-10.1%
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
October 28, 2026
Retailer 8$9,420 AUD
Retailer 6$9,490 AUD
Retailer 7$10,045 AUD
Retailer 17$10,045 AUD
Retailer 3$10,618 AUD
Retailer 14$10,882 AUD
Retailer 4$11,043 AUD
Retailer 15$11,050 AUD
Retailer 12$11,273 AUD
Retailer 2$11,289 AUD
Retailer 5$12,317 AUD
Retailer 10$12,557 AUD
Retailer 9$12,716 AUD
Retailer 13$13,054 AUD
Retailer 11$14,625 AUD
Retailer 16$16,763 AUD
NZ Jewellers$20,089 AUD

28 data points across 17 retailers

17 retailers$10,618 AUD to $20,089 AUD

Retailer 1
-
$9,420 AUD
$6,602 USD
Price last confirmed 7 days ago
Retailer 2
-
$9,490 AUD
$6,651 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$10,045 AUD
$7,040 USD
View
Price last confirmed 5 days ago
Retailer 4
-
$10,045 AUD
$7,040 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$10,618 AUD
CA$10,335 CAD
View
Retailer 6
-
$10,882 AUD
$7,626 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$11,043 AUD
$7,739 USD
View
Retailer 8
-
$11,050 AUD
$7,744 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$11,273 AUD
£6,221 GBP
View
B+
Retailer 10
-
$11,289 AUD
£6,229 GBP
View
B
Retailer 11
-
$12,317 AUD
$8,632 USD
View
B+
Retailer 12
-
$12,557 AUD
$8,800 USD
View
Retailer 13
-
$12,716 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$13,054 AUD
€8,713 EUR
View
B
Retailer 15
-
$14,625 AUD
ZAR 165,584 ZAR
View
Retailer 16
-
$16,763 AUD
£9,250 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
6c5269c5-f2a8-44a1-9d79-e6659501d87c · Oct 27
$20,089 AUD
$14,079 USD
View
16 more retailers have this diamond
Prices start from $10,618 AUDSave up to $9,472 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
$10,618 AUD