Round|Natural|GIA

1.58ct M SI1 Round Natural Diamond

VG • M/SI1 • GIA 1478296138

Certificate GIA 1478296138

Diamond specifications and retailer prices

From $5,234 SGD
As of November 4, 2026
Save $5,846 SGD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,081 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.58ct natural round diamond

This 1.58ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1478296138. Listed at 9 retailers as of November 4, 2026, with prices from $5,234 to $11,081, a $5,846 spread on the same certified stone. NZ Jewellers lists it at $11,081. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.58
Carat
M
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1478296138
Dimensions7.28 × 7.26 × 4.67 mm
L/W Ratio1.00
Top View
7.28 mm7.26 mm1.58 ctM / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1478296138
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $11,081 SGD|Low: $4,620 SGD|High: $11,081 SGD|Avg: $6,664 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4$4,620 SGD
Retailer 7$5,234 SGD
Retailer 12$5,360 SGD
Retailer 6$5,665 SGD
Retailer 8$6,002 SGD
Retailer 9$6,002 SGD
Retailer 11$6,002 SGD
Retailer 10$6,926 SGD
Retailer 3$7,094 SGD
Retailer 5$7,439 SGD
Retailer 2$8,083 SGD
NZ Jewellers$11,081 SGD

26 data points across 12 retailers

9 retailers$5,234 SGD to $11,081 SGD

B
Cheapest Retailer
-
$5,234 SGD
B
Retailer 2
-
$5,665 SGD
View
B
Retailer 3
-
$6,002 SGD
View
Retailer 4
-
$6,002 SGD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$6,002 SGD
View
B
Retailer 6
-
$6,926 SGD
View
B
Retailer 7
-
$7,439 SGD
View
B
Retailer 8
-
$8,083 SGD
View
Most Expensive
C
NZ Jewellers
34de757d-7c3a-4b3b-a904-7ad3c7ae5d67 · Nov 5
$11,081 SGD
$8,675 USD
View
8 more retailers have this diamond
Prices start from $5,234 SGDSave up to $5,846 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.

B
1.58ct Round
$5,234 SGD