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Radiant|Lab Grown|GIA

1.03ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • GIA 1478259152

Certificate GIA 1478259152

Diamond specifications and retailer prices

From £180 GBP
$241 USD
As of October 30, 2026
Save £920 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,099 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1478259152. Listed at 18 retailers as of October 27, 2026, with prices from £180 to £1,099, a £920 spread on the same certified stone. Queensmith lists it at £1,099. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.55°
Pavilion angle64.19°
OriginLab Grown
Grading LabGIA
CertificateGIA 1478259152
Dimensions6.82 × 5.06 × 3.25 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Growth Remnant
Top View
6.82 mm5.06 mm1.03 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1478259152
Side View
Table 65.0%Crown 44.55°Girdle: STK-THKPavilion 64.19°Culet: NoneDepth 64.2%

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: £357 GBP|Low: £174 GBP|High: £912 GBP|Avg: £420 GBP|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 2£180 GBP
Retailer 6£201 GBP
Retailer 14£209 GBP
Retailer 7£223 GBP
Retailer 17£223 GBP
Retailer 11£280 GBP
Retailer 8£300 GBP
Retailer 16£302 GBP
Retailer 1£357 GBP
Retailer 10£382 GBP
Retailer 13£383 GBP
Retailer 4£452 GBP
Retailer 15£561 GBP
Retailer 3£717 GBP
Retailer 5£756 GBP
Retailer 9£874 GBP
Retailer 12£899 GBP

38 data points across 17 retailers

18 retailers£180 GBP to £1,099 GBP

A
Cheapest Retailer
-
£180 GBP
$241 USD
A
Retailer 2
-
£201 GBP
$269 USD
View
Final sale: no returns
A
Retailer 3
-
£209 GBP
$280 USD
View
A
Retailer 4
-
£223 GBP
$299 USD
View
A
Retailer 5
-
£223 GBP
$299 USD
View
A
Retailer 6
-
£280 GBP
View
A
Retailer 7
-
£300 GBP
$402 USD
View
A
Retailer 8
-
£302 GBP
$405 USD
View
B+
Retailer 9
-
£357 GBP
€456 EUR
View
B+
Retailer 10
-
£382 GBP
View
B+
Retailer 11
-
£383 GBP
ZAR 8,297 ZAR
View
B+
Retailer 12
-
£452 GBP
$605 USD
View
B
Retailer 13
-
£561 GBP
$752 USD
View
B
Retailer 14
-
£717 GBP
$961 USD
View
B
Retailer 15
-
£756 GBP
$1,013 USD
View
B
Retailer 16
-
£874 GBP
$1,171 USD
View
B
Retailer 17
-
£899 GBP
View
Most Expensive
B
Queensmith
1478259152 · Oct 27
£1,099 GBP
View
17 more retailers have this diamond
Prices start from £180 GBPSave up to £920 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
1.03ct Radiant
£180 GBP