CaratHunter
Plans
Round|Natural|GIA

1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6552555455

Certificate GIA 6552555455

Diamond specifications and retailer prices

From $7,441 NZD
As of November 5, 2026
Save $5,626 NZD (43%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,649 NZD at NZ Jewellers · As of September 19, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552555455. Listed at 9 retailers as of November 2, 2026, with a 76% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552555455
Dimensions7.34 × 7.37 × 4.55 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Knot, Cloud, Needle
Top View
7.34 mm7.37 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552555455
Side View
Table 59.0%Crown 36°GirdlePavilion 40.8°CuletDepth 61.9%

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 5
Current: $9,259 NZD|Low: $7,396 NZD|High: $13,553 NZD|Avg: $9,588 NZD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 2$7,441 NZD
Retailer 3$7,982 NZD
Retailer 5$8,982 NZD
Retailer 1$9,259 NZD
Retailer 4$13,067 NZD

42 data points across 5 retailers

9 retailers$7,441 NZD to $13,067 NZD

A
Cheapest Retailer
-
$7,441 NZD
B+
Retailer 2
-
$7,982 NZD
View
Retailer 3
-
$8,289 NZD
View
Price last confirmed 30 days ago
Retailer 4
-
$8,408 NZD
View
Price last confirmed 45 days ago
Retailer 5
-
$8,408 NZD
View
Price last confirmed 39 days ago
B+
Retailer 6
-
$8,982 NZD
View
B+
Retailer 7
-
$9,259 NZD
View
B
Retailer 8
-
$13,067 NZD
View
Most Expensive
NZ Jewellers
ebb1f8eb-daf1-4661-868b-14e14aaa6397 · Sep 19
$14,649 NZD
$8,121 USD
View
Price last confirmed 48 days ago
8 more retailers have this diamond
Prices start from $7,441 NZDSave up to $5,626 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
$7,441 NZD