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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2235792081

Certificate GIA 2235792081

Diamond specifications and retailer prices

From $11,998 AUD
$8,438 USD
As of October 27, 2026
Save $10,004 AUD (45%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $22,002 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

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 2235792081. Listed at 25 retailers as of October 27, 2026, with prices from $11,998 to $22,002, a $10,004 spread on the same certified stone. NZ Jewellers lists it at $22,002. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2235792081
Dimensions7.23 × 7.28 × 4.55 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Cloud, Crystal, Knot, Cavity, Needle
Top View
7.23 mm7.28 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235792081
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 27
Current: $14,300 AUD|Low: $11,543 AUD|High: $20,866 AUD|Avg: $15,953 AUD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6$12,698 AUD
Retailer 1$14,300 AUD
Retailer 7$14,301 AUD
Retailer 4$14,518 AUD
Retailer 2$15,841 AUD
Retailer 8$17,373 AUD
Retailer 5$19,051 AUD
Retailer 3$20,644 AUD

43 data points across 8 retailers

25 retailers$11,998 AUD to $22,002 AUD

A
Cheapest Retailer
-
$11,998 AUD
$8,438 USD
B+
Retailer 2
-
$12,359 AUD
$8,692 USD
View
B+
Retailer 3
-
$12,698 AUD
$8,930 USD
View
Final sale: no returns
B+
Retailer 4
-
$12,750 AUD
$8,967 USD
View
B+
Retailer 5
-
$12,799 AUD
CA$12,502 CAD
View
B+
Retailer 6
-
$13,081 AUD
$9,200 USD
View
B+
Retailer 7
-
$13,201 AUD
$9,284 USD
View
B+
Retailer 8
-
$14,077 AUD
$9,900 USD
View
B+
Retailer 9
-
$14,300 AUD
£7,919 GBP
View
B+
Retailer 10
-
$14,301 AUD
$10,058 USD
View
B+
Retailer 11
-
$14,518 AUD
View
B+
Retailer 12
-
$14,522 AUD
$10,213 USD
View
B+
Retailer 13
-
$14,691 AUD
$10,332 USD
View
B
Retailer 14
-
$15,216 AUD
$10,701 USD
View
B+
Retailer 15
-
$15,527 AUD
$10,920 USD
View
B+
Retailer 16
-
$15,527 AUD
$10,920 USD
View
B+
Retailer 17
-
$15,841 AUD
€10,610 EUR
View
B+
Retailer 18
-
$16,045 AUD
$11,284 USD
View
B+
Retailer 19
-
$16,053 AUD
$11,290 USD
View
B+
Retailer 20
-
$16,501 AUD
$11,605 USD
View
B
Retailer 21
-
$16,895 AUD
$11,882 USD
View
B
Retailer 22
-
$17,373 AUD
$12,218 USD
View
B
Retailer 23
-
$19,051 AUD
ZAR 216,451 ZAR
View
B
Retailer 24
-
$20,644 AUD
£11,432 GBP
View
Most Expensive
B
NZ Jewellers
8e77b9d2-2375-4004-b6e9-594e20213b3e · Oct 27
$22,002 AUD
$15,474 USD
View
24 more retailers have this diamond
Prices start from $11,998 AUDSave up to $10,004 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
$11,998 AUD