CaratHunter
Plans
Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 1439308520

Certificate GIA 1439308520

Diamond specifications and retailer prices

From $2,703 SGD
As of November 6, 2026
Save $5,142 SGD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,845 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 F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1439308520. Listed at 18 retailers as of November 5, 2026, with prices from $2,703 to $7,845, a $5,142 spread on the same certified stone. NZ Jewellers lists it at $7,845. 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
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 1439308520
Dimensions6.33 × 6.23 × 4.02 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Knot, Cloud, Needle, Indented Natural, Natural
Top View
6.33 mm6.23 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1439308520
Side View
Table 60.0%Crown 35°Girdle: THN-THKPavilion 42°Culet: NoneDepth 63.9%

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 6
Current: $2,703 SGD|Low: $2,614 SGD|High: $6,350 SGD|Avg: $3,810 SGD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,703 SGD
Retailer 6$2,755 SGD
Retailer 8$3,308 SGD
Retailer 7$3,463 SGD
Retailer 2$3,823 SGD
Retailer 9$3,896 SGD
Retailer 3$3,949 SGD
Retailer 5$4,238 SGD
Retailer 4$6,258 SGD

42 data points across 9 retailers

18 retailers$2,703 SGD to $7,845 SGD

A
Cheapest Retailer
-
$2,703 SGD
A
Retailer 2
-
$2,755 SGD
View
B+
Retailer 3
-
$3,232 SGD
View
B+
Retailer 4
-
$3,308 SGD
View
B+
Retailer 5
-
$3,463 SGD
View
Final sale: no returns
Retailer 6
-
$3,537 SGD
View
Price last confirmed 109 days ago
Retailer 7
-
$3,753 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,753 SGD
View
B+
Retailer 9
-
$3,823 SGD
View
B+
Retailer 10
-
$3,896 SGD
View
B+
Retailer 11
-
$3,935 SGD
View
B+
Retailer 12
-
$3,949 SGD
View
B+
Retailer 13
-
$4,238 SGD
View
B
Retailer 14
-
$4,329 SGD
View
B
Retailer 15
-
$5,405 SGD
View
B
Retailer 16
-
$6,258 SGD
View
B
Retailer 17
-
$6,678 SGD
View
Most Expensive
C
NZ Jewellers
1efb18db-5499-4377-abda-6f3a6570f74b · Nov 5
$7,845 SGD
$6,121 USD
View
17 more retailers have this diamond
Prices start from $2,703 SGDSave up to $5,142 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
$2,703 SGD