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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 £1,403 GBP
₹179,093 INR
As of October 30, 2026
Save £2,645 GBP (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,049 GBP 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 £1,403 to £4,049, a £2,645 spread on the same certified stone. NZ Jewellers lists it at £4,049. 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: £2,058 GBP|Low: £1,395 GBP|High: £3,434 GBP|Avg: £1,959 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3£1,403 GBP
Retailer 6£1,690 GBP
Retailer 4£1,714 GBP
Retailer 7£1,734 GBP
Retailer 8£1,787 GBP
Retailer 1£2,058 GBP
Retailer 2£2,180 GBP
Retailer 5£3,411 GBP

32 data points across 8 retailers

19 retailers£1,403 GBP to £4,049 GBP

A
Cheapest Retailer
-
£1,403 GBP
₹179,093 INR
A
Retailer 2
-
£1,404 GBP
HK$14,700 HKD
View
Retailer 3
-
£1,690 GBP
$2,265 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
£1,714 GBP
$2,296 USD
View
A
Retailer 5
-
£1,714 GBP
View
A
Retailer 6
-
£1,716 GBP
$2,299 USD
View
A
Retailer 7
-
£1,734 GBP
$2,324 USD
View
B+
Retailer 8
-
£1,787 GBP
$2,395 USD
View
Final sale: no returns
B+
Retailer 9
-
£1,937 GBP
$2,595 USD
View
B+
Retailer 10
-
£1,964 GBP
SGD 3,557 SGD
View
B+
Retailer 11
-
£2,026 GBP
$2,715 USD
View
A
Retailer 12
-
£2,058 GBP
View
B+
Retailer 13
-
£2,095 GBP
$2,807 USD
View
B+
Retailer 14
-
£2,180 GBP
€2,782 EUR
View
B+
Retailer 15
-
£2,235 GBP
$2,994 USD
View
B
Retailer 16
-
£3,343 GBP
$4,479 USD
View
B
Retailer 17
-
£3,411 GBP
View
B
Retailer 18
-
£3,787 GBP
View
Most Expensive
B
NZ Jewellers
4b1c4dee-f491-49bd-a799-7142ec04355b · Oct 30
£4,049 GBP
$5,425 USD
View
18 more retailers have this diamond
Prices start from £1,403 GBPSave up to £2,645 GBP

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
£1,403 GBP