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Princess|Lab Grown|IGI

1.05ct E VS1 Princess Lab Grown Diamond

EX • E/VS1 • IGI LG733514578

Shape and cutting style on the report: Princess cut

Certificate IGI LG733514578

Diamond specifications and retailer prices

From £135 GBP
$180 USD
As of October 27, 2026
Save £1,184 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,319 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown princess diamond

This 1.05ct lab-grown princess 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 IGI LG733514578 or 733514578. Listed at 20 retailers as of October 27, 2026, with prices from £135 to £1,319, a £1,184 spread on the same certified stone. Queensmith lists it at £1,319. 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
FluorescenceNone
Crown angle43.5°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733514578
Dimensions5.57 × 5.55 × 3.87 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.57 mm5.55 mm1.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733514578
Side View
Table 66.0%Crown 43.5°Girdle: MediumPavilion 37.3°Culet: NoneDepth 69.7%

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 27
Current: £285 GBP|Low: £152 GBP|High: £796 GBP|Avg: £339 GBP|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8£152 GBP
Retailer 6£227 GBP
Retailer 1£285 GBP
Retailer 4£289 GBP
Retailer 3£301 GBP
Retailer 7£349 GBP
Retailer 5£424 GBP
Retailer 2£790 GBP

40 data points across 8 retailers

20 retailers£135 GBP to £1,319 GBP

A
Cheapest Retailer
-
£135 GBP
$180 USD
A
Retailer 2
-
£152 GBP
$202 USD
View
Final sale: no returns
A
Retailer 3
-
£157 GBP
$209 USD
View
A
Retailer 4
-
£168 GBP
$223 USD
View
A
Retailer 5
-
£168 GBP
$223 USD
View
A
Retailer 6
-
£193 GBP
HK$2,000 HKD
View
B+
Retailer 7
-
£227 GBP
$302 USD
View
A
Retailer 8
-
£259 GBP
$344 USD
View
A
Retailer 9
-
£285 GBP
€361 EUR
View
A
Retailer 10
-
£289 GBP
ZAR 6,199 ZAR
View
A
Retailer 11
-
£301 GBP
View
B+
Retailer 12
-
£349 GBP
$464 USD
View
B+
Retailer 13
-
£424 GBP
$564 USD
View
B+
Retailer 14
-
£459 GBP
SGD 825 SGD
View
B
Retailer 15
-
£540 GBP
$718 USD
View
B
Retailer 16
-
£560 GBP
$744 USD
View
B
Retailer 17
-
£581 GBP
$773 USD
View
B
Retailer 18
-
£790 GBP
View
B
Retailer 19
-
£851 GBP
$1,130 USD
View
Most Expensive
B
Queensmith
LG733514578 · Oct 27
£1,319 GBP
View
19 more retailers have this diamond
Prices start from £135 GBPSave up to £1,184 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 Princess
£135 GBP