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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 $2,677 AUD
₹179,093 INR
As of October 30, 2026
Save $5,046 AUD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,723 AUD 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 $2,677 to $7,723, a $5,046 spread on the same certified stone. NZ Jewellers lists it at $7,723. 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
Colour
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: $2,677 AUD|Low: $2,553 AUD|High: $6,550 AUD|Avg: $3,596 AUD|-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$2,677 AUD
Retailer 2$2,679 AUD
Retailer 7$3,224 AUD
Retailer 3$3,270 AUD
Retailer 8$3,308 AUD
Retailer 9$3,410 AUD
Retailer 10$3,865 AUD
Retailer 4$3,925 AUD
Retailer 6$4,151 AUD
Retailer 5$6,507 AUD

32 data points across 10 retailers

19 retailers$2,677 AUD to $7,723 AUD

A
Cheapest Retailer
-
$2,677 AUD
₹179,093 INR
A
Retailer 2
-
$2,679 AUD
HK$14,700 HKD
View
Retailer 3
-
$3,224 AUD
$2,265 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$3,269 AUD
$2,296 USD
View
A
Retailer 5
-
$3,270 AUD
£1,809 GBP
View
A
Retailer 6
-
$3,273 AUD
$2,299 USD
View
A
Retailer 7
-
$3,308 AUD
$2,324 USD
View
B+
Retailer 8
-
$3,410 AUD
$2,395 USD
View
Final sale: no returns
B+
Retailer 9
-
$3,694 AUD
$2,595 USD
View
B+
Retailer 10
-
$3,747 AUD
SGD 3,557 SGD
View
B+
Retailer 11
-
$3,865 AUD
$2,715 USD
View
A
Retailer 12
-
$3,925 AUD
£2,171 GBP
View
B+
Retailer 13
-
$3,996 AUD
$2,807 USD
View
B+
Retailer 14
-
$4,151 AUD
€2,777 EUR
View
B+
Retailer 15
-
$4,262 AUD
$2,994 USD
View
B
Retailer 16
-
$6,376 AUD
$4,479 USD
View
B
Retailer 17
-
$6,507 AUD
£3,599 GBP
View
B
Retailer 18
-
$7,224 AUD
£3,996 GBP
View
Most Expensive
B
NZ Jewellers
4b1c4dee-f491-49bd-a799-7142ec04355b · Oct 30
$7,723 AUD
$5,425 USD
View
18 more retailers have this diamond
Prices start from $2,677 AUDSave up to $5,046 AUD

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
$2,677 AUD