Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 1539339166

Certificate GIA 1539339166

Diamond specifications and retailer prices

From $2,882 SGD
$2,254 USD
As of October 30, 2026
Save $3,914 SGD (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,796 SGD at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 1539339166. Listed at 23 retailers as of October 30, 2026, with prices from $2,882 to $6,796, a $3,914 spread on the same certified stone. NZ Jewellers lists it at $6,796. 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 angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1539339166
Dimensions6.18 × 6.22 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.18 mm6.22 mm1.01 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1539339166
Side View
Table 57.0%Crown 38°Girdle: ThickPavilion 40.2°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,796 SGD|Low: $2,792 SGD|High: $7,145 SGD|Avg: $4,102 SGD|-4.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 14$2,882 SGD
Retailer 13$2,962 SGD
Retailer 9$3,165 SGD
Retailer 11$3,222 SGD
Retailer 15$3,262 SGD
Retailer 3$3,273 SGD
Retailer 20$3,401 SGD
Retailer 10$3,471 SGD
Retailer 4$3,533 SGD
Retailer 8$3,533 SGD
Retailer 6$3,670 SGD
Retailer 21$3,861 SGD
Retailer 22$3,861 SGD
Retailer 19$3,989 SGD
Retailer 12$4,078 SGD
Retailer 17$4,150 SGD
Retailer 16$4,295 SGD
Retailer 5$4,527 SGD
Retailer 7$4,623 SGD
Retailer 2$4,795 SGD
Retailer 18$6,558 SGD
NZ Jewellers$6,796 SGD

26 data points across 22 retailers

23 retailers$2,882 SGD to $6,796 SGD

A
Cheapest Retailer
-
$2,882 SGD
$2,254 USD
A
Retailer 2
-
$2,962 SGD
HK$18,100 HKD
View
A
Retailer 3
-
$3,165 SGD
$2,476 USD
View
A
Retailer 4
-
$3,222 SGD
$2,520 USD
View
B+
Retailer 5
-
$3,262 SGD
$2,552 USD
View
Final sale: no returns
A
Retailer 6
-
$3,273 SGD
A$3,939 AUD
View
A
Retailer 7
-
$3,401 SGD
$2,660 USD
View
A
Retailer 8
-
$3,471 SGD
$2,715 USD
View
A
Retailer 9
-
$3,533 SGD
$2,764 USD
View
A
Retailer 10
-
$3,533 SGD
$2,764 USD
View
A
Retailer 11
-
$3,670 SGD
$2,871 USD
View
B+
Retailer 12
-
$3,861 SGD
$3,020 USD
View
B+
Retailer 13
-
$3,861 SGD
$3,020 USD
View
B+
Retailer 14
-
$3,989 SGD
$3,120 USD
View
B+
Retailer 15
-
$4,078 SGD
$3,190 USD
View
B+
Retailer 16
-
$4,150 SGD
£2,556 GBP
View
Retailer 17
-
$4,155 SGD
A$5,000 AUD
View
Price last confirmed 27 days ago
B+
Retailer 18
-
$4,295 SGD
€3,200 EUR
View
Retailer 19
-
$4,527 SGD
$3,541 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$4,623 SGD
$3,616 USD
View
B+
Retailer 21
-
$4,795 SGD
ZAR 60,590 ZAR
View
B
Retailer 22
-
$6,558 SGD
£4,039 GBP
View
Most Expensive
B
NZ Jewellers
20c866cf-c70d-4551-98de-6361941beb2e · Oct 30
$6,796 SGD
$5,316 USD
View
22 more retailers have this diamond
Prices start from $2,882 SGDSave up to $3,914 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
$2,882 SGD