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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 5446385330

Certificate GIA 5446385330

Diamond specifications and retailer prices

From $2,165 SGD
As of October 31, 2026
Save $4,067 SGD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,232 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5446385330. Listed at 19 retailers as of October 31, 2026, with prices from $2,165 to $6,232, a $4,067 spread on the same certified stone. NZ Jewellers lists it at $6,232. 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

1.00
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 5446385330
Dimensions6.28 × 6.24 × 3.99 mm
L/W Ratio1.01
Top View
6.28 mm6.24 mm1.00 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5446385330
Side View
Table 55.0%Crown 38°Girdle: MED-THKPavilion 40°Culet: NoneDepth 63.8%

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: $3,027 SGD|Low: $2,071 SGD|High: $5,284 SGD|Avg: $3,102 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$2,165 SGD
Retailer 9$2,174 SGD
Retailer 3$2,450 SGD
Retailer 10$2,751 SGD
Retailer 7$2,799 SGD
Retailer 1$3,027 SGD
Retailer 2$3,118 SGD
Retailer 4$3,220 SGD
Retailer 6$3,671 SGD
Retailer 5$5,208 SGD

44 data points across 10 retailers

19 retailers$2,165 SGD to $6,232 SGD

A
Cheapest Retailer
-
$2,165 SGD
A
Retailer 2
-
$2,174 SGD
View
B+
Retailer 3
-
$2,450 SGD
View
B+
Retailer 4
-
$2,636 SGD
View
B+
Retailer 5
-
$2,751 SGD
View
Final sale: no returns
A
Retailer 6
-
$2,799 SGD
View
B+
Retailer 7
-
$2,879 SGD
View
Retailer 8
-
$2,977 SGD
View
Price last confirmed 109 days ago
Retailer 9
-
$2,981 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,981 SGD
View
B+
Retailer 11
-
$3,027 SGD
View
B+
Retailer 12
-
$3,118 SGD
View
B+
Retailer 13
-
$3,159 SGD
View
B+
Retailer 14
-
$3,220 SGD
View
B+
Retailer 15
-
$3,440 SGD
View
B+
Retailer 16
-
$3,671 SGD
View
B
Retailer 17
-
$4,449 SGD
View
B
Retailer 18
-
$5,208 SGD
View
Most Expensive
C
NZ Jewellers
f6636306-9ff9-4a72-ade3-2fcc32f6cb24 · Nov 5
$6,232 SGD
$4,879 USD
View
18 more retailers have this diamond
Prices start from $2,165 SGDSave up to $4,067 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
1.00ct Round
$2,165 SGD