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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6425908649

Certificate GIA 6425908649

Diamond specifications and retailer prices

From $2,483 USD
HK$19,400 HKD
As of October 30, 2026
Save $3,736 USD (60%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,220 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6425908649. Listed at 19 retailers as of October 29, 2026, with prices from $2,483 to $6,220, a $3,736 spread on the same certified stone. Diamond Quarter lists it at $6,220. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6425908649
Dimensions6.51 × 6.47 × 3.87 mm
L/W Ratio1.01
Top View
6.51 mm6.47 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425908649
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

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 30
Current: $2,501 USD|Low: $2,483 USD|High: $5,784 USD|Avg: $3,327 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$2,483 USD
Retailer 1$2,501 USD
Retailer 3$3,025 USD
Retailer 9$3,034 USD
Retailer 6$3,071 USD
Retailer 8$3,105 USD
Retailer 10$3,154 USD
Retailer 4$3,549 USD
Retailer 7$3,646 USD
Retailer 5$5,745 USD

32 data points across 10 retailers

19 retailers$2,483 USD to $6,220 USD

Retailer 1
-
$2,346 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$2,483 USD
HK$19,400 HKD
View
A
Retailer 3
-
$2,501 USD
₹238,187 INR
View
A
Retailer 4
-
$2,918 USD
View
A
Retailer 5
-
$3,025 USD
£2,382 GBP
View
B+
Retailer 6
-
$3,034 USD
View
A
Retailer 7
-
$3,071 USD
View
Retailer 8
-
$3,105 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$3,154 USD
View
Final sale: no returns
B+
Retailer 10
-
$3,417 USD
View
B+
Retailer 11
-
$3,493 USD
SGD 4,720 SGD
View
B+
Retailer 12
-
$3,549 USD
View
B+
Retailer 13
-
$3,549 USD
£2,795 GBP
View
B+
Retailer 14
-
$3,562 USD
View
B+
Retailer 15
-
$3,646 USD
€3,472 EUR
View
B
Retailer 16
-
$4,479 USD
View
B
Retailer 17
-
$5,745 USD
£4,524 GBP
View
B
Retailer 18
-
$5,953 USD
View
Most Expensive
B
Diamond Quarter
1.0SI2E6449B9CDN · Oct 29
$6,220 USD
£4,897 GBP
View
18 more retailers have this diamond
Prices start from $2,483 USDSave up to $3,736 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
$2,483 USD