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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 6431284794

Certificate GIA 6431284794

Diamond specifications and retailer prices

From $2,404 SGD
₹179,093 INR
As of October 30, 2026
Save $4,531 SGD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,935 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6431284794. Listed at 19 retailers as of October 30, 2026, with prices from $2,404 to $6,935, a $4,531 spread on the same certified stone. NZ Jewellers lists it at $6,935. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6431284794
Dimensions6.31 × 6.25 × 4.01 mm
L/W Ratio1.01
Top View
6.31 mm6.25 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6431284794
Side View
Table 56.0%Crown 38°Girdle: STK-THKPavilion 40.4°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 30
Current: $2,404 SGD|Low: $2,292 SGD|High: $5,882 SGD|Avg: $3,229 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 1$2,404 SGD
Retailer 2$2,405 SGD
Retailer 7$2,896 SGD
Retailer 3$2,937 SGD
Retailer 8$2,971 SGD
Retailer 9$3,062 SGD
Retailer 10$3,471 SGD
Retailer 4$3,524 SGD
Retailer 6$3,728 SGD
Retailer 5$5,843 SGD

32 data points across 10 retailers

19 retailers$2,404 SGD to $6,935 SGD

A
Cheapest Retailer
-
$2,404 SGD
₹179,093 INR
A
Retailer 2
-
$2,405 SGD
HK$14,700 HKD
View
Retailer 3
-
$2,896 SGD
$2,265 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$2,935 SGD
$2,296 USD
View
A
Retailer 5
-
$2,937 SGD
£1,809 GBP
View
A
Retailer 6
-
$2,939 SGD
$2,299 USD
View
A
Retailer 7
-
$2,971 SGD
$2,324 USD
View
B+
Retailer 8
-
$3,062 SGD
$2,395 USD
View
Final sale: no returns
B+
Retailer 9
-
$3,317 SGD
$2,595 USD
View
B+
Retailer 10
-
$3,365 SGD
View
B+
Retailer 11
-
$3,471 SGD
$2,715 USD
View
A
Retailer 12
-
$3,524 SGD
£2,171 GBP
View
B+
Retailer 13
-
$3,588 SGD
$2,807 USD
View
B+
Retailer 14
-
$3,728 SGD
€2,777 EUR
View
B+
Retailer 15
-
$3,828 SGD
$2,994 USD
View
B
Retailer 16
-
$5,726 SGD
$4,479 USD
View
B
Retailer 17
-
$5,843 SGD
£3,599 GBP
View
B
Retailer 18
-
$6,487 SGD
£3,996 GBP
View
Most Expensive
B
NZ Jewellers
4b1c4dee-f491-49bd-a799-7142ec04355b · Oct 30
$6,935 SGD
$5,425 USD
View
18 more retailers have this diamond
Prices start from $2,404 SGDSave up to $4,531 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
$2,404 SGD