Princess|Lab Grown|IGI

1.05ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG605396674

Shape and cutting style on the report: Princess cut

Certificate IGI LG605396674

Diamond specifications and retailer prices

From £212 GBP
$284 USD
As of October 30, 2026
Save £1,072 GBP (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,284 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.05ct lab-grown princess diamond

This 1.05ct 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 LG605396674 or 605396674. Listed at 23 retailers as of October 30, 2026, with prices from £212 to £1,284, a £1,072 spread on the same certified stone. Brilliant Earth lists it at £1,284. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605396674
Dimensions5.61 × 5.51 × 3.84 mm
L/W Ratio1.02
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
5.61 mm5.51 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605396674
Side View
Table 67.0%Crown 42°Girdle: MediumPavilion 37.3°Culet: NoneDepth 69.7%

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: £1,284 GBP|Low: £210 GBP|High: £1,806 GBP|Avg: £637 GBP|-28.9%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 10£212 GBP
Retailer 17£237 GBP
Retailer 20£246 GBP
Retailer 5£263 GBP
Retailer 11£263 GBP
Retailer 19£381 GBP
Retailer 7£432 GBP
Retailer 4£444 GBP
Retailer 18£452 GBP
Retailer 21£460 GBP
Retailer 2£464 GBP
Retailer 13£489 GBP
Retailer 16£640 GBP
Retailer 6£705 GBP
Retailer 9£846 GBP
Retailer 12£883 GBP
Retailer 14£934 GBP
Retailer 3£1,024 GBP
Retailer 15£1,060 GBP
Retailer 8£1,091 GBP
Brilliant Earth£1,284 GBP

36 data points across 21 retailers

23 retailers£212 GBP to £1,284 GBP

A
Cheapest Retailer
-
£212 GBP
$284 USD
A
Retailer 2
-
£237 GBP
$318 USD
View
Final sale: no returns
A
Retailer 3
-
£246 GBP
$330 USD
View
Retailer 4
-
£257 GBP
$345 USD
View
Price last confirmed 40 days ago
A
Retailer 5
-
£263 GBP
$352 USD
View
Retailer 6
-
£263 GBP
$352 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£381 GBP
$510 USD
View
A
Retailer 8
-
£432 GBP
$579 USD
View
A
Retailer 9
-
£444 GBP
$595 USD
View
A
Retailer 10
-
£452 GBP
ZAR 9,781 ZAR
View
A
Retailer 11
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£460 GBP
$616 USD
View
A
Retailer 12
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£464 GBP
View
A
Retailer 13
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£489 GBP
€624 EUR
View
B+
Retailer 14
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£640 GBP
A$1,319 AUD
View
B+
Retailer 15
-
£705 GBP
$945 USD
View
B+
Retailer 16
-
£846 GBP
$1,133 USD
View
B
Retailer 17
-
£883 GBP
$1,183 USD
View
Retailer 18
-
£934 GBP
A$1,925 AUD
View
Price last confirmed 24 days ago
B
Retailer 19
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£981 GBP
$1,314 USD
View
B
Retailer 20
-
£1,024 GBP
View
B
Retailer 21
-
£1,060 GBP
View
B
Retailer 22
-
£1,091 GBP
$1,462 USD
View
Most Expensive
B
Brilliant Earth
14717223A · Oct 31
£1,284 GBP
$1,720 USD
View
22 more retailers have this diamond
Prices start from £212 GBPSave up to £1,072 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
£212 GBP