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Round|Natural|GIA

1.00ct F I1 Round Natural Diamond

VG • F/I1 • GIA 2427191880

Certificate GIA 2427191880

Diamond specifications and retailer prices

From $1,981 SGD
HK$12,100 HKD
As of November 1, 2026
Save $3,556 SGD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,536 SGD at NZ Jewellers · As of November 2, 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 I1 clarity (included), with a very-good cut grade and certified by GIA 2427191880. Listed at 12 retailers as of November 1, 2026, with prices from $1,981 to $5,536, a $3,556 spread on the same certified stone. NZ Jewellers lists it at $5,536. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2427191880
Dimensions6.35 × 6.32 × 4.01 mm
L/W Ratio1.00
Top View
6.35 mm6.32 mm1.00 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2427191880
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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: $5,536 SGD|Low: $1,964 SGD|High: $5,536 SGD|Avg: $2,814 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
Retailer 13
Retailer 14
November 1, 2026
Retailer 7$1,981 SGD
Retailer 8$2,136 SGD
Retailer 14$2,186 SGD
Retailer 10$2,189 SGD
Retailer 11$2,399 SGD
Retailer 13$2,399 SGD
Retailer 9$2,510 SGD
Retailer 12$2,769 SGD
Retailer 4$2,801 SGD
Retailer 6$2,801 SGD
Retailer 5$2,890 SGD
Retailer 3$3,151 SGD
Retailer 2$3,600 SGD
NZ Jewellers$5,536 SGD

20 data points across 14 retailers

12 retailers$1,981 SGD to $5,536 SGD

A
Cheapest Retailer
-
$1,981 SGD
HK$12,100 HKD
B+
Retailer 2
-
$2,136 SGD
$1,670 USD
View
B+
Retailer 3
-
$2,189 SGD
$1,712 USD
View
B+
Retailer 4
-
$2,399 SGD
$1,876 USD
View
B+
Retailer 5
-
$2,399 SGD
$1,876 USD
View
B+
Retailer 6
-
$2,510 SGD
$1,963 USD
View
B+
Retailer 7
-
$2,769 SGD
$2,165 USD
View
B+
Retailer 8
-
$2,801 SGD
$2,190 USD
View
B+
Retailer 9
-
$2,801 SGD
$2,190 USD
View
B+
Retailer 10
-
$2,890 SGD
$2,260 USD
View
B
Retailer 11
-
$3,600 SGD
€2,681 EUR
View
Most Expensive
C
NZ Jewellers
528965f7-c450-4b87-946b-a2ca3b83e97e · Nov 2
$5,536 SGD
$4,329 USD
View
11 more retailers have this diamond
Prices start from $1,981 SGDSave up to $3,556 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
$1,981 SGD