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Princess|Lab Grown|IGI

1.03ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG588336997

Shape and cutting style on the report: Princess cut

Certificate IGI LG588336997

Diamond specifications and retailer prices

From £190 GBP
$255 USD
As of October 30, 2026
Save £832 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,358 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.03ct lab-grown princess diamond

This 1.03ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG588336997 or 588336997. Listed at 20 retailers as of October 30, 2026, with a 437% 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

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588336997
Dimensions5.49 × 5.48 × 3.86 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
5.49 mm5.48 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588336997
Side View
Table 66.0%Crown 37.9°Girdle: MediumPavilion 38°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,358 GBP|Low: £183 GBP|High: £1,358 GBP|Avg: £473 GBP
Brilliant Earth
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 18£190 GBP
Retailer 6£213 GBP
Retailer 3£236 GBP
Retailer 9£236 GBP
Retailer 2£250 GBP
Retailer 17£317 GBP
Retailer 4£355 GBP
Retailer 12£386 GBP
Retailer 14£406 GBP
Retailer 10£418 GBP
Retailer 8£448 GBP
Retailer 11£450 GBP
Retailer 13£574 GBP
Retailer 16£581 GBP
Retailer 5£759 GBP
Retailer 15£951 GBP
Retailer 7£1,022 GBP
Brilliant Earth£1,358 GBP

36 data points across 18 retailers

20 retailers£190 GBP to £1,022 GBP

A+
Cheapest Retailer
-
£190 GBP
$255 USD
A
Retailer 2
-
£213 GBP
$286 USD
View
Final sale: no returns
A
Retailer 3
-
£221 GBP
$296 USD
View
A
Retailer 4
-
£236 GBP
$316 USD
View
A
Retailer 5
-
£236 GBP
$316 USD
View
A
Retailer 6
-
£250 GBP
View
A
Retailer 7
-
£317 GBP
$425 USD
View
A
Retailer 8
-
£355 GBP
$475 USD
View
A
Retailer 9
-
£386 GBP
€493 EUR
View
A
Retailer 10
-
£406 GBP
ZAR 8,778 ZAR
View
A
Retailer 11
-
£418 GBP
$560 USD
View
A
Retailer 12
-
£448 GBP
$600 USD
View
A
Retailer 13
-
£450 GBP
View
B+
Retailer 14
-
£574 GBP
A$1,184 AUD
View
B+
Retailer 15
-
£581 GBP
$778 USD
View
B+
Retailer 16
-
£759 GBP
$1,017 USD
View
B+
Retailer 17
-
£797 GBP
$1,068 USD
View
B+
Retailer 18
-
£951 GBP
View
B
Retailer 19
-
£1,022 GBP
$1,369 USD
View
Most Expensive
Brilliant Earth
14113421A · Oct 16
£1,358 GBP
$1,820 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from £190 GBPSave up to £832 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 Princess
£190 GBP