Round|Natural|GIA

1.05ct E VS1 Round Natural Diamond

EX • E/VS1 • GIA 1242025780

Certificate GIA 1242025780

Diamond specifications and retailer prices

From £3,402 GBP
$4,558 USD
As of October 30, 2026
Save £3,086 GBP (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,939 GBP at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1242025780. Listed at 18 retailers as of October 26, 2026, with a 91% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1242025780
Dimensions6.49 × 6.46 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.49 mm6.46 mm1.05 ctE / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242025780
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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: £3,981 GBP|Low: £3,180 GBP|High: £6,688 GBP|Avg: £4,352 GBP|-0.2%
Retailer 1
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 31, 2026
Retailer 3£3,402 GBP
Retailer 6£3,405 GBP
Retailer 13£3,488 GBP
Retailer 11£3,650 GBP
Retailer 10£3,785 GBP
Retailer 1£3,981 GBP
Retailer 12£4,056 GBP
Retailer 8£4,172 GBP
Retailer 15£4,172 GBP
Retailer 7£4,217 GBP
Retailer 16£4,306 GBP
Retailer 4£4,455 GBP
Retailer 9£4,604 GBP
Retailer 5£4,743 GBP
Retailer 14£5,948 GBP
Retailer 2£6,488 GBP

29 data points across 16 retailers

18 retailers£3,402 GBP to £6,488 GBP

A
Cheapest Retailer
-
£3,402 GBP
$4,558 USD
Final sale: no returns
A
Retailer 2
-
£3,405 GBP
$4,562 USD
View
A
Retailer 3
-
£3,488 GBP
CA$6,492 CAD
View
A
Retailer 4
-
£3,650 GBP
$4,890 USD
View
A
Retailer 5
-
£3,785 GBP
$5,072 USD
View
A
Retailer 6
-
£3,981 GBP
View
A
Retailer 7
-
£4,056 GBP
$5,434 USD
View
B+
Retailer 8
-
£4,172 GBP
$5,590 USD
View
B+
Retailer 9
-
£4,172 GBP
$5,590 USD
View
B+
Retailer 10
-
£4,217 GBP
$5,650 USD
View
B+
Retailer 11
-
£4,306 GBP
$5,770 USD
View
B+
Retailer 12
-
£4,455 GBP
View
B+
Retailer 13
-
£4,604 GBP
€5,875 EUR
View
B+
Retailer 14
-
£4,743 GBP
View
B+
Retailer 15
-
£5,948 GBP
$7,970 USD
View
B
Retailer 16
-
£6,488 GBP
View
Retailer 17
-
£6,939 GBP
$9,297 USD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
9a0222ad-8ad8-4cec-a460-ae43c501a30f · Sep 15
£6,939 GBP
$9,297 USD
View
Price last confirmed 45 days ago
17 more retailers have this diamond
Prices start from £3,402 GBPSave up to £3,086 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
1.05ct Round
£3,402 GBP