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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 6431284794

Certificate GIA 6431284794

Diamond specifications and retailer prices

From $1,880 USD
₹179,093 INR
As of October 30, 2026
Save $3,545 USD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,425 USD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6431284794. Listed at 19 retailers as of October 30, 2026, with prices from $1,880 to $5,425, a $3,545 spread on the same certified stone. NZ Jewellers lists it at $5,425. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6431284794
Dimensions6.31 × 6.25 × 4.01 mm
L/W Ratio1.01
Top View
6.31 mm6.25 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6431284794
Side View
Table 56.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.8%

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 30
Current: $1,880 USD|Low: $1,793 USD|High: $4,601 USD|Avg: $2,526 USD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 1$1,880 USD
Retailer 2$1,882 USD
Retailer 7$2,265 USD
Retailer 3$2,297 USD
Retailer 8$2,324 USD
Retailer 9$2,395 USD
Retailer 10$2,715 USD
Retailer 4$2,757 USD
Retailer 6$2,916 USD
Retailer 5$4,571 USD

32 data points across 10 retailers

19 retailers$1,880 USD to $5,425 USD

A
Cheapest Retailer
-
$1,880 USD
₹179,093 INR
A
Retailer 2
-
$1,882 USD
HK$14,700 HKD
View
Retailer 3
-
$2,265 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$2,296 USD
View
A
Retailer 5
-
$2,297 USD
£1,809 GBP
View
A
Retailer 6
-
$2,299 USD
View
A
Retailer 7
-
$2,324 USD
View
B+
Retailer 8
-
$2,395 USD
View
Final sale: no returns
B+
Retailer 9
-
$2,595 USD
View
B+
Retailer 10
-
$2,632 USD
SGD 3,557 SGD
View
B+
Retailer 11
-
$2,715 USD
View
A
Retailer 12
-
$2,757 USD
£2,171 GBP
View
B+
Retailer 13
-
$2,807 USD
View
B+
Retailer 14
-
$2,916 USD
€2,777 EUR
View
B+
Retailer 15
-
$2,994 USD
View
B
Retailer 16
-
$4,479 USD
View
B
Retailer 17
-
$4,571 USD
£3,599 GBP
View
B
Retailer 18
-
$5,074 USD
£3,996 GBP
View
Most Expensive
B
NZ Jewellers
4b1c4dee-f491-49bd-a799-7142ec04355b · Oct 30
$5,425 USD
View
18 more retailers have this diamond
Prices start from $1,880 USDSave up to $3,545 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
$1,880 USD