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Princess|Lab Grown|IGI

1.25ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG800676859

Shape and cutting style on the report: Princess cut

Certificate IGI LG800676859

Diamond specifications and retailer prices

From £323 GBP
$433 USD
As of October 30, 2026
Save £2,550 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,873 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.25ct lab-grown princess diamond

This 1.25ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676859 or 800676859. Listed at 15 retailers as of October 30, 2026, with prices from £323 to £2,873, a £2,550 spread on the same certified stone. Do Amore Diamonds lists it at £2,873. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676859
Dimensions5.89 × 5.81 × 4.16 mm
L/W Ratio1.01
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
5.89 mm5.81 mm1.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676859
Side View
Table 71.0%Crown 46.1°Girdle: MediumPavilion 38.9°Culet: NoneDepth 71.6%

Caratlytics Score

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A+
Exceptional
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: £2,873 GBP|Low: £323 GBP|High: £3,314 GBP|Avg: £1,091 GBP|-13.3%
Do Amore Diamonds
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
November 1, 2026
Retailer 11£323 GBP
Retailer 4£362 GBP
Retailer 7£418 GBP
Retailer 12£505 GBP
Retailer 5£521 GBP
Retailer 15£522 GBP
Retailer 14£630 GBP
Retailer 10£676 GBP
Retailer 9£713 GBP
Retailer 13£1,124 GBP
Retailer 6£1,149 GBP
Retailer 3£1,422 GBP
Retailer 2£1,626 GBP
Retailer 8£1,926 GBP
Do Amore Diamonds£2,873 GBP

35 data points across 15 retailers

15 retailers£323 GBP to £2,873 GBP

A+
Cheapest Retailer
-
£323 GBP
$433 USD
A
Retailer 2
-
£362 GBP
$485 USD
View
A
Retailer 3
-
£418 GBP
$560 USD
View
Final sale: no returns
A
Retailer 4
-
£505 GBP
$676 USD
View
A
Retailer 5
-
£521 GBP
$698 USD
View
A
Retailer 6
-
£522 GBP
$700 USD
View
A
Retailer 7
-
£608 GBP
$815 USD
View
A
Retailer 8
-
£630 GBP
$844 USD
View
A
Retailer 9
-
£713 GBP
€910 EUR
View
B+
Retailer 10
-
£1,124 GBP
$1,506 USD
View
B+
Retailer 11
-
£1,149 GBP
$1,540 USD
View
B
Retailer 12
-
£1,422 GBP
$1,905 USD
View
B+
Retailer 13
-
£1,626 GBP
View
B+
Retailer 14
-
£1,926 GBP
$2,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-93474D7A4 · Oct 31
£2,873 GBP
$3,850 USD
View
14 more retailers have this diamond
Prices start from £323 GBPSave up to £2,550 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+
1.25ct Princess
£323 GBP