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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1563401068

Certificate GIA 1563401068

Diamond specifications and retailer prices

From $6,807 AUD
HK$37,400 HKD
As of October 28, 2026
Save $7,718 AUD (53%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,525 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 1563401068. Listed at 11 retailers as of October 26, 2026, with prices from $6,807 to $14,525, a $7,718 spread on the same certified stone. Wholesale Diamonds Direct lists it at $14,525. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1563401068
Dimensions7.27 × 7.22 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.27 mm7.22 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1563401068
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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: $8,688 AUD|Low: $6,807 AUD|High: $15,294 AUD|Avg: $10,102 AUD|-9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 28, 2026
Retailer 10$6,807 AUD
Retailer 11$8,227 AUD
Retailer 7$8,485 AUD
Retailer 1$8,688 AUD
Retailer 9$8,847 AUD
Retailer 2$8,950 AUD
Retailer 4$9,690 AUD
Retailer 5$9,889 AUD
Retailer 3$10,081 AUD
Retailer 6$11,672 AUD
Retailer 8$14,141 AUD
Wholesale Diamonds Direct$14,525 AUD

8 data points across 12 retailers

11 retailers$6,807 AUD to $14,525 AUD

A
Cheapest Retailer
-
$6,807 AUD
HK$37,400 HKD
A
Retailer 2
-
$8,227 AUD
$5,786 USD
View
A
Retailer 3
-
$8,485 AUD
£4,699 GBP
View
A
Retailer 4
-
$8,688 AUD
$6,110 USD
View
A
Retailer 5
-
$8,950 AUD
$6,295 USD
View
A
Retailer 6
-
$9,690 AUD
€6,490 EUR
View
Price last confirmed 2 days ago
A
Retailer 7
-
$9,889 AUD
£5,476 GBP
View
A
Retailer 8
-
$10,081 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$11,672 AUD
ZAR 132,614 ZAR
View
B+
Retailer 10
-
$14,141 AUD
£7,831 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
576671765 · Oct 26
$14,525 AUD
$10,215 USD
View
10 more retailers have this diamond
Prices start from $6,807 AUDSave up to $7,718 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.

A
1.50ct Round
$6,807 AUD