Oval|Natural|GIA

1.50ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 6532912878

Certificate GIA 6532912878

Diamond specifications and retailer prices

From $11,860 AUD
$8,331 USD
As of October 30, 2026
Save $10,616 AUD (47%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $22,476 AUD 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 D 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 6532912878. Listed at 25 retailers as of October 30, 2026, with prices from $11,860 to $22,476, a $10,616 spread on the same certified stone. NZ Jewellers lists it at $22,476. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532912878
Dimensions8.78 × 6.33 × 4.10 mm
L/W Ratio1.39
Top View
8.78 mm6.33 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6532912878
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.8%

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: Oct 30
Current: $22,476 AUD|Low: $11,860 AUD|High: $22,476 AUD|Avg: $16,054 AUD
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
October 31, 2026
Retailer 13$11,860 AUD
Retailer 14$12,626 AUD
Retailer 11$12,978 AUD
Retailer 4$14,609 AUD
Retailer 2$14,761 AUD
Retailer 9$14,836 AUD
Retailer 5$14,996 AUD
Retailer 12$15,013 AUD
Retailer 3$15,845 AUD
Retailer 6$15,845 AUD
Retailer 7$16,993 AUD
Retailer 10$19,574 AUD
Retailer 8$21,175 AUD
NZ Jewellers$22,476 AUD

42 data points across 14 retailers

25 retailers$11,860 AUD to $22,476 AUD

B+
Cheapest Retailer
-
$11,860 AUD
$8,331 USD
B+
Retailer 2
-
$12,475 AUD
$8,763 USD
View
B+
Retailer 3
-
$12,626 AUD
$8,869 USD
View
B+
Retailer 4
-
$12,837 AUD
$9,017 USD
View
B+
Retailer 5
-
$12,972 AUD
CA$12,656 CAD
View
B+
Retailer 6
-
$12,978 AUD
$9,116 USD
View
Final sale: no returns
B+
Retailer 7
-
$13,360 AUD
$9,385 USD
View
B+
Retailer 8
-
$13,486 AUD
$9,473 USD
View
B+
Retailer 9
-
$14,609 AUD
$10,262 USD
View
B+
Retailer 10
-
$14,761 AUD
£8,165 GBP
View
B+
Retailer 11
-
$14,834 AUD
$10,420 USD
View
Retailer 12
-
$14,836 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$14,996 AUD
$10,534 USD
View
B+
Retailer 14
-
$15,013 AUD
$10,546 USD
View
B
Retailer 15
-
$15,550 AUD
$10,923 USD
View
B
Retailer 16
-
$15,845 AUD
$11,130 USD
View
B
Retailer 17
-
$15,845 AUD
$11,130 USD
View
B
Retailer 18
-
$16,386 AUD
$11,510 USD
View
B
Retailer 19
-
$16,397 AUD
$11,518 USD
View
B
Retailer 20
-
$16,857 AUD
$11,841 USD
View
B
Retailer 21
-
$16,993 AUD
€11,368 EUR
View
B
Retailer 22
-
$17,265 AUD
$12,128 USD
View
Retailer 23
-
$19,574 AUD
ZAR 222,130 ZAR
View
Price last confirmed 14 days ago
B
Retailer 24
-
$21,175 AUD
£11,712 GBP
View
Most Expensive
B
NZ Jewellers
841182a5-dc27-46c6-9607-000e2dfa2f1b · Oct 30
$22,476 AUD
$15,788 USD
View
24 more retailers have this diamond
Prices start from $11,860 AUDSave up to $10,616 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
$11,860 AUD