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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 $5,580 SGD
HK$34,100 HKD
As of November 1, 2026
Save $7,274 SGD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,854 SGD 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 $5,580 to $12,854, a $7,274 spread on the same certified stone. NZ Jewellers lists it at $12,854. 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: $12,854 SGD|Low: $5,580 SGD|High: $13,920 SGD|Avg: $8,585 SGD|-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$5,580 SGD
Retailer 4$6,299 SGD
Retailer 9$6,572 SGD
Retailer 6$6,589 SGD
Retailer 5$7,606 SGD
Retailer 8$7,686 SGD
Retailer 2$8,226 SGD
Retailer 3$11,206 SGD
NZ Jewellers$12,854 SGD

42 data points across 9 retailers

9 retailers$5,580 SGD to $12,854 SGD

A
Cheapest Retailer
-
$5,580 SGD
HK$34,100 HKD
A
Retailer 2
-
$6,299 SGD
€4,692 EUR
View
Retailer 3
-
$6,572 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$6,589 SGD
$5,154 USD
View
B+
Retailer 5
-
$7,606 SGD
$5,950 USD
View
B+
Retailer 6
-
$7,686 SGD
$6,012 USD
View
B+
Retailer 7
-
$8,226 SGD
€6,128 EUR
View
B
Retailer 8
-
$11,206 SGD
£6,902 GBP
View
Most Expensive
B
NZ Jewellers
c08ad982-cb7d-47d5-8d83-4f50be2bec40 · Oct 30
$12,854 SGD
$10,055 USD
View
8 more retailers have this diamond
Prices start from $5,580 SGDSave up to $7,274 SGD

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
$5,580 SGD