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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 1438221036

Certificate GIA 1438221036

Diamond specifications and retailer prices

From $2,618 SGD
As of November 5, 2026
Save $4,973 SGD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,591 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1438221036. Listed at 18 retailers as of November 5, 2026, with prices from $2,618 to $7,591, a $4,973 spread on the same certified stone. NZ Jewellers lists it at $7,591. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1438221036
Dimensions6.36 × 6.29 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint
Top View
6.36 mm6.29 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1438221036
Side View
Table 61.0%Crown 36°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 63.1%

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 5
Current: $3,691 SGD|Low: $2,521 SGD|High: $6,438 SGD|Avg: $3,702 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 4$2,618 SGD
Retailer 8$2,648 SGD
Retailer 9$3,201 SGD
Retailer 6$3,295 SGD
Retailer 10$3,350 SGD
Retailer 1$3,691 SGD
Retailer 2$3,771 SGD
Retailer 3$3,820 SGD
Retailer 7$4,087 SGD
Retailer 5$6,343 SGD

40 data points across 10 retailers

18 retailers$2,618 SGD to $7,591 SGD

A
Cheapest Retailer
-
$2,618 SGD
A
Retailer 2
-
$2,648 SGD
View
A
Retailer 3
-
$3,201 SGD
View
B+
Retailer 4
-
$3,212 SGD
View
A
Retailer 5
-
$3,295 SGD
View
B+
Retailer 6
-
$3,350 SGD
View
Final sale: no returns
B+
Retailer 7
-
$3,631 SGD
View
Retailer 8
-
$3,631 SGD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,691 SGD
View
B+
Retailer 10
-
$3,771 SGD
View
B+
Retailer 11
-
$3,811 SGD
View
B+
Retailer 12
-
$3,820 SGD
View
B+
Retailer 13
-
$4,087 SGD
View
B+
Retailer 14
-
$4,190 SGD
View
B
Retailer 15
-
$5,721 SGD
View
B
Retailer 16
-
$6,343 SGD
View
B
Retailer 17
-
$6,602 SGD
View
Most Expensive
B
NZ Jewellers
172b5417-a935-4794-9546-224095700267 · Nov 5
$7,591 SGD
$5,943 USD
View
17 more retailers have this diamond
Prices start from $2,618 SGDSave up to $4,973 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
$2,618 SGD