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Round|Natural|GIA

1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6555994350

Certificate GIA 6555994350

Diamond specifications and retailer prices

From $7,744 NZD
HK$34,100 HKD
As of November 1, 2026
Save $10,096 NZD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $17,841 NZD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555994350. Listed at 9 retailers as of October 30, 2026, with prices from $7,744 to $17,841, a $10,096 spread on the same certified stone. NZ Jewellers lists it at $17,841. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555994350
Dimensions7.32 × 7.38 × 4.56 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.32 mm7.38 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555994350
Side View
Table 60.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 1
Current: $17,841 NZD|Low: $7,744 NZD|High: $19,320 NZD|Avg: $11,908 NZD|-7.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$7,744 NZD
Retailer 4$8,742 NZD
Retailer 9$9,121 NZD
Retailer 6$9,145 NZD
Retailer 5$10,557 NZD
Retailer 8$10,667 NZD
Retailer 2$11,417 NZD
Retailer 3$15,553 NZD
NZ Jewellers$17,841 NZD

41 data points across 9 retailers

9 retailers$7,744 NZD to $17,841 NZD

A
Cheapest Retailer
-
$7,744 NZD
HK$34,100 HKD
A
Retailer 2
-
$8,742 NZD
€4,692 EUR
View
Retailer 3
-
$9,121 NZD
SGD 6,947 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$9,145 NZD
$5,154 USD
View
B+
Retailer 5
-
$10,557 NZD
$5,950 USD
View
B+
Retailer 6
-
$10,667 NZD
$6,012 USD
View
B+
Retailer 7
-
$11,417 NZD
€6,128 EUR
View
B
Retailer 8
-
$15,553 NZD
£6,902 GBP
View
Most Expensive
B
NZ Jewellers
c08ad982-cb7d-47d5-8d83-4f50be2bec40 · Oct 30
$17,841 NZD
$10,055 USD
View
8 more retailers have this diamond
Prices start from $7,744 NZDSave up to $10,096 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
$7,744 NZD