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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6565439499

Certificate GIA 6565439499

Diamond specifications and retailer prices

From $2,278 USD
As of November 4, 2026
Save $4,047 USD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,325 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 top-tier cut grade and certified by GIA 6565439499. Listed at 21 retailers as of November 4, 2026, with prices from $2,278 to $6,325, a $4,047 spread on the same certified stone. NZ Jewellers lists it at $6,325. 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

1.00
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565439499
Dimensions6.40 × 6.37 × 4.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.40 mm6.37 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565439499
Side View
Table 55.0%Crown 36°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 62.8%

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: Nov 4
Current: $3,167 USD|Low: $2,278 USD|High: $5,086 USD|Avg: $3,072 USD
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
November 6, 2026
Retailer 4$2,278 USD
Retailer 11$2,285 USD
Retailer 5$2,503 USD
Retailer 12$2,602 USD
Retailer 13$2,625 USD
Retailer 8$2,736 USD
Retailer 9$2,893 USD
Retailer 3$2,905 USD
Retailer 6$3,138 USD
Retailer 1$3,167 USD
Retailer 7$3,345 USD
Retailer 10$3,505 USD
Retailer 2$5,059 USD

22 data points across 13 retailers

21 retailers$2,278 USD to $6,325 USD

A
Cheapest Retailer
-
$2,278 USD
A
Retailer 2
-
$2,285 USD
View
Retailer 3
-
$2,503 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$2,563 USD
View
A
Retailer 5
-
$2,602 USD
View
A
Retailer 6
-
$2,625 USD
View
A
Retailer 7
-
$2,663 USD
View
A
Retailer 8
-
$2,736 USD
View
A
Retailer 9
-
$2,792 USD
View
Final sale: no returns
A
Retailer 10
-
$2,893 USD
View
A
Retailer 11
-
$2,905 USD
View
A
Retailer 12
-
$3,025 USD
View
A
Retailer 13
-
$3,138 USD
View
B+
Retailer 14
-
$3,142 USD
View
Retailer 15
-
$3,167 USD
View
B+
Retailer 16
-
$3,345 USD
View
B+
Retailer 17
-
$3,491 USD
View
B+
Retailer 18
-
$3,505 USD
View
B+
Retailer 19
-
$4,404 USD
View
B
Retailer 20
-
$5,059 USD
View
Most Expensive
B
NZ Jewellers
7a2dbb6a-4cc8-405f-9168-08fa7d082c80 · Nov 5
$6,325 USD
View
20 more retailers have this diamond
Prices start from $2,278 USDSave up to $4,047 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
$2,278 USD