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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2497631263

Certificate GIA 2497631263

Diamond specifications and retailer prices

From $2,438 SGD
HK$14,900 HKD
As of October 27, 2026
Save $4,734 SGD (66%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,172 SGD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2497631263. Listed at 25 retailers as of October 27, 2026, with prices from $2,438 to $7,172, a $4,734 spread on the same certified stone. Diamond Quarter lists it at $7,172. 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

1.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2497631263
Dimensions6.24 × 6.15 × 4.05 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
6.24 mm6.15 mm1.01 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2497631263
Side View
Table 57.0%Crown 38°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 65.3%

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: Oct 27
Current: $2,844 SGD|Low: $2,438 SGD|High: $6,540 SGD|Avg: $3,437 SGD|-2.2%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 28, 2026
Retailer 12$2,438 SGD
Retailer 18$2,481 SGD
Retailer 8$2,768 SGD
Retailer 16$2,791 SGD
Retailer 5$2,825 SGD
Retailer 1$2,844 SGD
Retailer 17$2,887 SGD
Retailer 3$3,019 SGD
Retailer 15$3,222 SGD
Retailer 10$3,227 SGD
Retailer 4$3,303 SGD
Retailer 19$3,414 SGD
Retailer 13$3,601 SGD
Retailer 2$3,609 SGD
Retailer 14$3,839 SGD
Retailer 6$3,913 SGD
Retailer 7$4,620 SGD
Retailer 9$4,749 SGD
Retailer 11$5,639 SGD
Retailer 20$6,540 SGD

23 data points across 20 retailers

25 retailers$2,438 SGD to $7,172 SGD

A
Cheapest Retailer
-
$2,438 SGD
HK$14,900 HKD
A
Retailer 2
-
$2,481 SGD
₹184,795 INR
View
A
Retailer 3
-
$2,768 SGD
$2,165 USD
View
A
Retailer 4
-
$2,791 SGD
View
A
Retailer 5
-
$2,825 SGD
$2,210 USD
View
A
Retailer 6
-
$2,844 SGD
$2,225 USD
View
A
Retailer 7
-
$3,019 SGD
£1,860 GBP
View
A
Retailer 8
-
$3,214 SGD
$2,514 USD
View
A
Retailer 9
-
$3,214 SGD
$2,514 USD
View
A
Retailer 10
-
$3,222 SGD
$2,520 USD
View
A
Retailer 11
-
$3,227 SGD
$2,524 USD
View
A
Retailer 12
-
$3,303 SGD
£2,034 GBP
View
A
Retailer 13
-
$3,362 SGD
$2,630 USD
View
A
Retailer 14
-
$3,393 SGD
$2,654 USD
View
A
Retailer 15
-
$3,414 SGD
View
Retailer 16
-
$3,566 SGD
$2,790 USD
View
Price last confirmed 7 days ago
Retailer 17
-
$3,601 SGD
A$4,334 AUD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
$3,609 SGD
$2,823 USD
View
A
Retailer 19
-
$3,839 SGD
€2,860 EUR
View
B+
Retailer 20
-
$3,913 SGD
ZAR 49,454 ZAR
View
B+
Retailer 21
-
$4,620 SGD
$3,614 USD
View
B+
Retailer 22
-
$4,749 SGD
$3,715 USD
View
B+
Retailer 23
-
$5,639 SGD
£3,473 GBP
View
B
Retailer 24
-
$6,540 SGD
$5,116 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1E2463C867N · Oct 31
$7,172 SGD
£4,418 GBP
View
24 more retailers have this diamond
Prices start from $2,438 SGDSave up to $4,734 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
1.01ct Round
$2,438 SGD