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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6542943196

Certificate GIA 6542943196

Diamond specifications and retailer prices

From $8,758 AUD
As of November 4, 2026
Save $7,635 AUD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,393 AUD at MOH London · As of November 2, 2026
View at MOH London

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 6542943196. Listed at 15 retailers as of November 2, 2026, with prices from $8,758 to $16,393, a $7,635 spread on the same certified stone. MOH London lists it at $16,393. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542943196
Dimensions7.26 × 7.21 × 4.59 mm
L/W Ratio1.01
Top View
7.26 mm7.21 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542943196
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: Nov 4
Current: $16,393 AUD|Low: $8,667 AUD|High: $20,332 AUD|Avg: $12,405 AUD|-4.1%
MOH London
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
November 4, 2026
Retailer 14$8,758 AUD
Retailer 8$9,734 AUD
Retailer 10$10,179 AUD
Retailer 7$10,219 AUD
Retailer 13$10,349 AUD
Retailer 2$10,417 AUD
Retailer 9$10,858 AUD
Retailer 15$11,209 AUD
Retailer 5$11,469 AUD
Retailer 3$11,514 AUD
Retailer 11$12,559 AUD
Retailer 12$12,821 AUD
Retailer 4$14,291 AUD
MOH London$16,393 AUD
Retailer 6$20,003 AUD

26 data points across 15 retailers

15 retailers$8,758 AUD to $16,393 AUD

A
Cheapest Retailer
-
$8,758 AUD
Retailer 2
-
$9,734 AUD
View
Price last confirmed 3 days ago
A
Retailer 3
-
$10,179 AUD
View
Retailer 4
-
$10,219 AUD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$10,349 AUD
View
A
Retailer 6
-
$10,417 AUD
View
A
Retailer 7
-
$10,858 AUD
View
Final sale: no returns
A
Retailer 8
-
$11,209 AUD
View
Retailer 9
-
$11,469 AUD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$11,514 AUD
View
B+
Retailer 11
-
$12,559 AUD
View
B+
Retailer 12
-
$12,821 AUD
View
B+
Retailer 13
-
$14,291 AUD
View
Retailer 14
-
$15,862 AUD
View
Price last confirmed 29 days ago
Most Expensive
B+
MOH London
791F7A924 · Nov 2
$16,393 AUD
£9,036 GBP
View
14 more retailers have this diamond
Prices start from $8,758 AUDSave up to $7,635 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
$8,758 AUD