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1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6522141984

Certificate GIA 6522141984

Diamond specifications and retailer prices

From $2,188 SGD
As of November 5, 2026
Save $3,859 SGD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,047 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6522141984. Listed at 14 retailers as of November 2, 2026, with prices from $2,188 to $6,047, a $3,859 spread on the same certified stone. NZ Jewellers lists it at $6,047. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6522141984
Dimensions6.37 × 6.32 × 4.03 mm
L/W Ratio1.01
Star length55%
Lower girdle70%
Top View
6.37 mm6.32 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522141984
Side View
Table 55.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 63.4%

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: $6,047 SGD|Low: $2,188 SGD|High: $6,074 SGD|Avg: $3,375 SGD|-0.4%
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 6, 2026
Retailer 10$2,188 SGD
Retailer 8$2,537 SGD
Retailer 11$2,612 SGD
Retailer 5$2,668 SGD
Retailer 6$2,866 SGD
Retailer 14$2,892 SGD
Retailer 13$3,026 SGD
Retailer 4$3,069 SGD
Retailer 7$3,124 SGD
Retailer 9$3,317 SGD
Retailer 3$3,338 SGD
Retailer 2$3,723 SGD
Retailer 12$5,053 SGD
NZ Jewellers$6,047 SGD

21 data points across 14 retailers

14 retailers$2,188 SGD to $6,047 SGD

A
Cheapest Retailer
-
$2,188 SGD
A
Retailer 2
-
$2,537 SGD
View
A
Retailer 3
-
$2,612 SGD
View
A
Retailer 4
-
$2,668 SGD
View
Final sale: no returns
Retailer 5
-
$2,866 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,892 SGD
View
A
Retailer 7
-
$3,026 SGD
View
A
Retailer 8
-
$3,069 SGD
View
A
Retailer 9
-
$3,124 SGD
View
A
Retailer 10
-
$3,317 SGD
View
A
Retailer 11
-
$3,338 SGD
View
A
Retailer 12
-
$3,723 SGD
View
B+
Retailer 13
-
$5,053 SGD
View
Most Expensive
B
NZ Jewellers
c10fdabe-b5a9-464e-a556-58a1c4e18ed0 · Nov 2
$6,047 SGD
$4,734 USD
View
13 more retailers have this diamond
Prices start from $2,188 SGDSave up to $3,859 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
$2,188 SGD