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Princess|Lab Grown|IGI

1.03ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG625405436

Shape and cutting style on the report: Princess cut

Certificate IGI LG625405436

Diamond specifications and retailer prices

From £208 GBP
$279 USD
As of October 30, 2026
Save £1,061 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,269 GBP at Brilliant Earth · As of October 30, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625405436 or 625405436. Listed at 23 retailers as of October 30, 2026, with prices from £208 to £1,269, a £1,061 spread on the same certified stone. Brilliant Earth lists it at £1,269. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625405436
Dimensions5.56 × 5.53 × 3.81 mm
L/W Ratio1.01
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
5.56 mm5.53 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625405436
Side View
Table 67.0%Crown 39.2°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,269 GBP|Low: £207 GBP|High: £1,776 GBP|Avg: £627 GBP|-28.6%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 10£208 GBP
Retailer 19£242 GBP
Retailer 2£244 GBP
Retailer 4£258 GBP
Retailer 12£258 GBP
Retailer 18£377 GBP
Retailer 6£426 GBP
Retailer 3£439 GBP
Retailer 20£444 GBP
Retailer 17£444 GBP
Retailer 13£452 GBP
Retailer 15£480 GBP
Retailer 16£629 GBP
Retailer 5£692 GBP
Retailer 8£831 GBP
Retailer 11£869 GBP
Retailer 14£918 GBP
Retailer 9£1,012 GBP
Retailer 21£1,042 GBP
Retailer 7£1,080 GBP
Brilliant Earth£1,269 GBP

37 data points across 21 retailers

23 retailers£208 GBP to £1,269 GBP

A
Cheapest Retailer
-
£208 GBP
$279 USD
A
Retailer 2
-
£242 GBP
$324 USD
View
A
Retailer 3
-
£244 GBP
$327 USD
View
Final sale: no returns
Retailer 4
-
£253 GBP
$339 USD
View
Price last confirmed 39 days ago
A
Retailer 5
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£258 GBP
$346 USD
View
A
Retailer 6
-
£258 GBP
$346 USD
View
A
Retailer 7
-
£377 GBP
$505 USD
View
A
Retailer 8
-
£426 GBP
$571 USD
View
A
Retailer 9
-
£439 GBP
$588 USD
View
A
Retailer 10
-
£444 GBP
$595 USD
View
A
Retailer 11
-
£444 GBP
ZAR 9,613 ZAR
View
A
Retailer 12
-
£452 GBP
View
A
Retailer 13
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£480 GBP
€613 EUR
View
B+
Retailer 14
-
£629 GBP
A$1,297 AUD
View
B+
Retailer 15
-
£692 GBP
$927 USD
View
B+
Retailer 16
-
£831 GBP
$1,113 USD
View
B
Retailer 17
-
£869 GBP
$1,164 USD
View
Retailer 18
-
£918 GBP
A$1,892 AUD
View
Price last confirmed 26 days ago
B
Retailer 19
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£962 GBP
$1,289 USD
View
B
Retailer 20
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£1,012 GBP
View
B
Retailer 21
-
£1,042 GBP
View
B
Retailer 22
-
£1,080 GBP
$1,447 USD
View
Most Expensive
B
Brilliant Earth
14717114A · Oct 30
£1,269 GBP
$1,700 USD
View
22 more retailers have this diamond
Prices start from £208 GBPSave up to £1,061 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
£208 GBP