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Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1156397254

Certificate GIA 1156397254

Diamond specifications and retailer prices

From $6,680 SGD
As of November 1, 2026
Save $6,103 SGD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,554 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 1156397254. Listed at 19 retailers as of November 1, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1156397254
Dimensions6.45 × 6.43 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.45 mm6.43 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1156397254
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $14,554 SGD|Low: $6,063 SGD|High: $14,554 SGD|Avg: $9,200 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$6,680 SGD
Retailer 6$7,277 SGD
Retailer 7$7,883 SGD
Retailer 9$7,883 SGD
Retailer 10$7,883 SGD
Retailer 2$8,208 SGD
Retailer 3$8,926 SGD
Retailer 8$9,096 SGD
Retailer 4$12,783 SGD
NZ Jewellers$14,554 SGD

42 data points across 10 retailers

19 retailers$6,680 SGD to $12,783 SGD

B
Cheapest Retailer
-
$6,680 SGD
B
Retailer 2
-
$6,683 SGD
View
B
Retailer 3
-
$6,876 SGD
View
B
Retailer 4
-
$7,277 SGD
View
Final sale: no returns
B
Retailer 5
-
$7,338 SGD
View
Retailer 6
-
$7,883 SGD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$7,883 SGD
View
B
Retailer 8
-
$7,883 SGD
View
B
Retailer 9
-
$8,208 SGD
View
B
Retailer 10
-
$8,600 SGD
View
B
Retailer 11
-
$8,775 SGD
View
B
Retailer 12
-
$8,775 SGD
View
B
Retailer 13
-
$8,926 SGD
View
B
Retailer 14
-
$9,069 SGD
View
B
Retailer 15
-
$9,096 SGD
View
Retailer 16
-
$9,591 SGD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$12,783 SGD
View
Retailer 18
-
$14,138 SGD
View
Price under review
Most Expensive
NZ Jewellers
8ed12017-f089-4478-9b1f-27566ee2d8fe · Nov 5
$14,554 SGD
$11,394 USD
View
Price under review
18 more retailers have this diamond
Prices start from $6,680 SGDSave up to $6,103 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.

B
1.01ct Round
$6,680 SGD