CaratHunter
Plans
Oval|Natural|GIA

1.50ct E SI1 Oval Natural Diamond

VG • E/SI1 • GIA 6515777659

Certificate GIA 6515777659

Diamond specifications and retailer prices

From $11,468 AUD
$8,057 USD
As of October 28, 2026
Save $8,947 AUD (44%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $20,416 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6515777659. Listed at 23 retailers as of October 27, 2026, with prices from $11,468 to $20,416, a $8,947 spread on the same certified stone. NZ Jewellers lists it at $20,416. 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

1.50
Carat
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.9°
Pavilion angle38.45°
OriginNatural
Grading LabGIA
CertificateGIA 6515777659
Dimensions8.79 × 6.39 × 4.02 mm
L/W Ratio1.38
Top View
8.79 mm6.39 mm1.50 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6515777659
Side View
Table 56.0%Crown 38.9°Girdle: STK-VTKPavilion 38.45°Culet: NoneDepth 62.9%

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 28
Current: $20,416 AUD|Low: $11,352 AUD|High: $20,416 AUD|Avg: $14,419 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 8$11,468 AUD
Retailer 6$11,512 AUD
Retailer 5$12,170 AUD
Retailer 9$12,248 AUD
Retailer 18$12,250 AUD
Retailer 11$13,058 AUD
Retailer 10$13,129 AUD
Retailer 16$13,270 AUD
Retailer 2$13,349 AUD
Retailer 19$13,452 AUD
Retailer 17$13,474 AUD
Retailer 12$13,784 AUD
Retailer 7$14,045 AUD
Retailer 3$15,312 AUD
Retailer 14$15,409 AUD
Retailer 4$17,677 AUD
Retailer 15$18,737 AUD
Retailer 13$19,232 AUD
NZ Jewellers$20,416 AUD

19 data points across 19 retailers

23 retailers$11,468 AUD to $20,416 AUD

B+
Cheapest Retailer
-
$11,468 AUD
$8,057 USD
B+
Retailer 2
-
$11,512 AUD
$8,088 USD
View
B+
Retailer 3
-
$12,170 AUD
$8,550 USD
View
B+
Retailer 4
-
$12,248 AUD
$8,605 USD
View
Final sale: no returns
B+
Retailer 5
-
$12,250 AUD
$8,606 USD
View
B+
Retailer 6
-
$12,351 AUD
$8,677 USD
View
B+
Retailer 7
-
$13,058 AUD
$9,174 USD
View
B+
Retailer 8
-
$13,129 AUD
$9,224 USD
View
B+
Retailer 9
-
$13,270 AUD
$9,323 USD
View
B+
Retailer 10
-
$13,349 AUD
£7,384 GBP
View
B+
Retailer 11
-
$13,452 AUD
View
B+
Retailer 12
-
$13,474 AUD
$9,466 USD
View
B+
Retailer 13
-
$13,784 AUD
£7,625 GBP
View
B
Retailer 14
-
$13,935 AUD
$9,790 USD
View
B
Retailer 15
-
$13,935 AUD
$9,790 USD
View
B
Retailer 16
-
$14,045 AUD
$9,867 USD
View
B+
Retailer 17
-
$14,405 AUD
$10,120 USD
View
B
Retailer 18
-
$15,312 AUD
$10,757 USD
View
B
Retailer 19
-
$15,409 AUD
€10,310 EUR
View
B
Retailer 20
-
$17,677 AUD
ZAR 200,629 ZAR
View
Price last confirmed 7 days ago
B
Retailer 21
-
$18,737 AUD
£10,365 GBP
View
B
Retailer 22
-
$19,232 AUD
£10,639 GBP
View
Most Expensive
B
NZ Jewellers
d6ad2329-7657-4411-80c2-d92a67508ea6 · Oct 27
$20,416 AUD
$14,343 USD
View
22 more retailers have this diamond
Prices start from $11,468 AUDSave up to $8,947 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
$11,468 AUD