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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 $4,365 USD
HK$34,100 HKD
As of October 31, 2026
Save $5,690 USD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,055 USD 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 $4,365 to $10,055, a $5,690 spread on the same certified stone. NZ Jewellers lists it at $10,055. 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
Color
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: Oct 31
Current: $10,055 USD|Low: $4,365 USD|High: $10,889 USD|Avg: $6,634 USD|-7.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3$4,365 USD
Retailer 4$4,990 USD
Retailer 9$5,141 USD
Retailer 2$5,154 USD
Retailer 7$6,012 USD
Retailer 8$6,012 USD
Retailer 5$6,545 USD
Retailer 6$8,905 USD
NZ Jewellers$10,055 USD

42 data points across 9 retailers

9 retailers$4,365 USD to $10,055 USD

A
Cheapest Retailer
-
$4,365 USD
HK$34,100 HKD
A
Retailer 2
-
$4,990 USD
€4,752 EUR
View
Retailer 3
-
$5,141 USD
SGD 6,947 SGD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$5,154 USD
View
B+
Retailer 5
-
$6,012 USD
View
B+
Retailer 6
-
$6,012 USD
View
B+
Retailer 7
-
$6,545 USD
€6,233 EUR
View
B
Retailer 8
-
$8,905 USD
£7,012 GBP
View
Most Expensive
B
NZ Jewellers
c08ad982-cb7d-47d5-8d83-4f50be2bec40 · Oct 30
$10,055 USD
View
8 more retailers have this diamond
Prices start from $4,365 USDSave up to $5,690 USD

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
$4,365 USD