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Round|Natural|GIA

1.54ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1528863308

Certificate GIA 1528863308

Diamond specifications and retailer prices

From $9,472 NZD
$5,320 USD
As of October 25, 2026
Save $8,955 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,809 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528863308. Listed at 14 retailers as of October 25, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.54
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1528863308
Dimensions7.37 × 7.34 × 4.59 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.37 mm7.34 mm1.54 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1528863308
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 25
Current: $11,851 NZD|Low: $9,472 NZD|High: $18,551 NZD|Avg: $12,936 NZD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$9,472 NZD
Retailer 7$10,782 NZD
Retailer 1$11,851 NZD
Retailer 8$12,535 NZD
Retailer 9$12,535 NZD
Retailer 3$12,834 NZD
Retailer 5$13,713 NZD
Retailer 6$14,833 NZD
Retailer 2$18,427 NZD

41 data points across 9 retailers

14 retailers$9,472 NZD to $18,427 NZD

A
Cheapest Retailer
-
$9,472 NZD
$5,320 USD
A
Retailer 2
-
$9,828 NZD
$5,520 USD
View
A
Retailer 3
-
$10,782 NZD
$6,056 USD
View
Retailer 4
-
$11,271 NZD
$6,330 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$11,271 NZD
$6,330 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$11,851 NZD
£5,241 GBP
View
A
Retailer 7
-
$12,535 NZD
$7,040 USD
View
A
Retailer 8
-
$12,535 NZD
$7,040 USD
View
A
Retailer 9
-
$12,834 NZD
€6,865 EUR
View
A
Retailer 10
-
$12,962 NZD
$7,280 USD
View
Retailer 11
-
$13,005 NZD
$7,304 USD
View
Price last confirmed 30 days ago
A
Retailer 12
-
$13,713 NZD
$7,702 USD
View
B+
Retailer 13
-
$18,427 NZD
£8,149 GBP
View
Most Expensive
NZ Jewellers
7693c501-619d-401b-af7e-1cabf442cd76 · Sep 28
$20,809 NZD
$11,687 USD
View
Price last confirmed 32 days ago
13 more retailers have this diamond
Prices start from $9,472 NZDSave up to $8,955 NZD

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
1.54ct Round
$9,472 NZD