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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 6545993295

Certificate GIA 6545993295

Diamond specifications and retailer prices

From £1,433 GBP
HK$15,000 HKD
As of October 30, 2026
Save £2,538 GBP (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,012 GBP at NZ Jewellers · As of September 1, 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 6545993295. Listed at 22 retailers as of October 30, 2026, with a 177% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6545993295
Dimensions6.22 × 6.31 × 4.02 mm
L/W Ratio1.01
Top View
6.22 mm6.31 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545993295
Side View
Table 56.0%Crown 35.5°Girdle: MED-THKPavilion 41°Culet: NoneDepth 64.1%

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: £3,970 GBP|Low: £1,512 GBP|High: £3,970 GBP|Avg: £2,234 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 2£1,521 GBP
Retailer 4£1,673 GBP
Retailer 10£1,681 GBP
Retailer 5£1,752 GBP
Retailer 6£1,774 GBP
Retailer 14£1,899 GBP
Retailer 16£1,899 GBP
Retailer 8£1,948 GBP
Retailer 15£1,987 GBP
Retailer 7£2,004 GBP
Retailer 11£2,018 GBP
Retailer 3£2,191 GBP
Retailer 9£2,371 GBP
Retailer 12£3,345 GBP
Retailer 13£3,569 GBP
NZ Jewellers£3,970 GBP

23 data points across 16 retailers

22 retailers£1,433 GBP to £3,970 GBP

A
Cheapest Retailer
-
£1,433 GBP
HK$15,000 HKD
A
Retailer 2
-
£1,521 GBP
₹194,057 INR
View
A
Retailer 3
-
£1,673 GBP
SGD 3,029 SGD
View
A
Retailer 4
-
£1,681 GBP
View
B+
Retailer 5
-
£1,752 GBP
$2,348 USD
View
Final sale: no returns
A
Retailer 6
-
£1,774 GBP
$2,377 USD
View
A
Retailer 7
-
£1,786 GBP
$2,393 USD
View
A
Retailer 8
-
£1,899 GBP
$2,545 USD
View
A
Retailer 9
-
£1,899 GBP
$2,545 USD
View
Retailer 10
-
£1,899 GBP
$2,545 USD
View
Price last confirmed 11 days ago
A
Retailer 11
-
£1,948 GBP
$2,610 USD
View
A
Retailer 12
-
£1,987 GBP
$2,662 USD
View
A
Retailer 13
-
£2,004 GBP
$2,685 USD
View
A
Retailer 14
-
£2,006 GBP
SGD 3,632 SGD
View
A
Retailer 15
-
£2,018 GBP
View
B+
Retailer 16
-
£2,191 GBP
$2,936 USD
View
Retailer 17
-
£2,191 GBP
$2,936 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
£2,371 GBP
€3,026 EUR
View
B
Retailer 19
-
£3,345 GBP
View
B
Retailer 20
-
£3,569 GBP
View
B
Retailer 21
-
£3,970 GBP
$5,320 USD
View
Most Expensive
NZ Jewellers
600890cc-ba1f-4d56-a479-33b88bb15598 · Sep 1
£4,012 GBP
$5,375 USD
View
Price last confirmed 60 days ago
21 more retailers have this diamond
Prices start from £1,433 GBPSave up to £2,538 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
£1,433 GBP