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Round|Natural|GIA

1.50ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 2554908678

Certificate GIA 2554908678

Diamond specifications and retailer prices

From $4,326 NZD
As of November 6, 2026
Save $2,362 NZD (35%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,019 NZD at NZ Jewellers · As of October 17, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554908678. Listed at 12 retailers as of November 5, 2026, with a 55% 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

1.50
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2554908678
Dimensions7.26 × 7.32 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Needle, Pinpoint, Natural
Top View
7.26 mm7.32 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554908678
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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 6
Current: $4,566 NZD|Low: $4,303 NZD|High: $6,733 NZD|Avg: $5,390 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$4,326 NZD
Retailer 1$4,566 NZD
Retailer 2$5,913 NZD
Retailer 3$6,689 NZD

41 data points across 4 retailers

12 retailers$4,326 NZD to $6,689 NZD

A
Cheapest Retailer
-
$4,326 NZD
A
Retailer 2
-
$4,566 NZD
View
B+
Retailer 3
-
$5,319 NZD
View
B+
Retailer 4
-
$5,662 NZD
View
Retailer 5
-
$5,751 NZD
View
Price last confirmed 21 days ago
Retailer 6
-
$5,751 NZD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$5,913 NZD
View
Retailer 8
-
$5,972 NZD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$6,006 NZD
View
Retailer 10
-
$6,635 NZD
View
Price last confirmed 19 days ago
B
Retailer 11
-
$6,689 NZD
View
Most Expensive
NZ Jewellers
bddd0141-f913-40e1-a2ec-ff31f628d451 · Oct 17
$10,019 NZD
$5,632 USD
View
Price last confirmed 19 days ago
11 more retailers have this diamond
Prices start from $4,326 NZDSave up to $2,362 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
1.50ct Round
$4,326 NZD