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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 1539339166

Certificate GIA 1539339166

Diamond specifications and retailer prices

From $2,254 USD
As of October 26, 2026
Save $3,062 USD (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,316 USD at NZ Jewellers · As of October 27, 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 26, 2026, with prices from $2,254 to $5,316, a $3,062 spread on the same certified stone. NZ Jewellers lists it at $5,316. 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
Color
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

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 26
Current: $5,316 USD|Low: $2,184 USD|High: $5,589 USD|Avg: $3,219 USD|-4.9%
NZ Jewellers
Retailer 2
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Retailer 11
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Retailer 22
Retailer 23
October 29, 2026
Retailer 14$2,254 USD
Retailer 5$2,291 USD
Retailer 9$2,476 USD
Retailer 11$2,520 USD
Retailer 15$2,552 USD
Retailer 23$2,561 USD
Retailer 19$2,660 USD
Retailer 10$2,715 USD
Retailer 3$2,764 USD
Retailer 8$2,764 USD
Retailer 6$2,871 USD
Retailer 20$3,020 USD
Retailer 22$3,020 USD
Retailer 18$3,120 USD
Retailer 12$3,190 USD
Retailer 2$3,236 USD
Retailer 16$3,250 USD
Retailer 17$3,355 USD
Retailer 4$3,541 USD
Retailer 7$3,616 USD
Retailer 21$3,715 USD
Retailer 13$5,130 USD
NZ Jewellers$5,316 USD

27 data points across 23 retailers

23 retailers$2,254 USD to $5,316 USD

A
Cheapest Retailer
-
$2,254 USD
A
Retailer 2
-
$2,291 USD
HK$17,900 HKD
View
A
Retailer 3
-
$2,476 USD
View
A
Retailer 4
-
$2,520 USD
View
B+
Retailer 5
-
$2,552 USD
View
Final sale: no returns
A
Retailer 6
-
$2,561 USD
A$3,939 AUD
View
A
Retailer 7
-
$2,660 USD
View
A
Retailer 8
-
$2,715 USD
View
A
Retailer 9
-
$2,764 USD
View
A
Retailer 10
-
$2,764 USD
View
A
Retailer 11
-
$2,871 USD
View
B+
Retailer 12
-
$3,020 USD
View
B+
Retailer 13
-
$3,020 USD
View
B+
Retailer 14
-
$3,120 USD
View
B+
Retailer 15
-
$3,190 USD
View
B+
Retailer 16
-
$3,236 USD
£2,548 GBP
View
B+
Retailer 17
-
$3,250 USD
A$5,000 AUD
View
Price last confirmed 25 days ago
B+
Retailer 18
-
$3,355 USD
€3,195 EUR
View
B+
Retailer 19
-
$3,541 USD
View
B+
Retailer 20
-
$3,616 USD
View
B+
Retailer 21
-
$3,715 USD
ZAR 60,024 ZAR
View
B
Retailer 22
-
$5,130 USD
£4,039 GBP
View
Most Expensive
B
NZ Jewellers
20c866cf-c70d-4551-98de-6361941beb2e · Oct 27
$5,316 USD
View
22 more retailers have this diamond
Prices start from $2,254 USDSave up to $3,062 USD

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
$2,254 USD