Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 6392299025

Certificate GIA 6392299025

Diamond specifications and retailer prices

From $2,109 USD
As of October 31, 2026
Save $4,034 USD (66%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,143 USD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 6392299025. Listed at 24 retailers as of October 31, 2026, with prices from $2,109 to $6,143, a $4,034 spread on the same certified stone. NZ Jewellers lists it at $6,143. 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

1.00
Carat
E
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6392299025
Dimensions6.18 × 6.14 × 4.04 mm
L/W Ratio1.01
Top View
6.18 mm6.14 mm1.00 ctE / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6392299025
Side View
Table 58.0%Crown 38.5°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
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 31
Current: $2,976 USD|Low: $2,103 USD|High: $4,940 USD|Avg: $2,989 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$2,109 USD
Retailer 11$2,137 USD
Retailer 2$2,631 USD
Retailer 9$2,658 USD
Retailer 3$2,712 USD
Retailer 5$2,809 USD
Retailer 1$2,976 USD
Retailer 4$3,092 USD
Retailer 8$3,277 USD
Retailer 6$3,586 USD
Retailer 7$4,900 USD

31 data points across 11 retailers

24 retailers$2,109 USD to $6,143 USD

A
Cheapest Retailer
-
$2,109 USD
A
Retailer 2
-
$2,137 USD
View
B+
Retailer 3
-
$2,531 USD
View
B+
Retailer 4
-
$2,631 USD
View
B+
Retailer 5
-
$2,658 USD
View
B+
Retailer 6
-
$2,712 USD
View
Final sale: no returns
B+
Retailer 7
-
$2,774 USD
View
B+
Retailer 8
-
$2,809 USD
View
B+
Retailer 9
-
$2,870 USD
View
B+
Retailer 10
-
$2,938 USD
View
Retailer 11
-
$2,938 USD
View
Price last confirmed 8 days ago
Retailer 12
-
$2,956 USD
View
Price last confirmed 109 days ago
B+
Retailer 13
-
$2,976 USD
View
B+
Retailer 14
-
$3,051 USD
View
B+
Retailer 15
-
$3,080 USD
View
B+
Retailer 16
-
$3,092 USD
View
B+
Retailer 17
-
$3,277 USD
View
Retailer 18
-
$3,304 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$3,390 USD
View
B
Retailer 20
-
$3,586 USD
View
B
Retailer 21
-
$4,900 USD
View
B
Retailer 22
-
$5,537 USD
View
C
Retailer 23
-
$5,789 USD
View
Most Expensive
C
NZ Jewellers
21b345b7-76c4-4d88-b70b-daf06d2a06a4 · Nov 5
$6,143 USD
View
23 more retailers have this diamond
Prices start from $2,109 USDSave up to $4,034 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
1.00ct Round
$2,109 USD