CaratHunter
Plans
Princess|Lab Grown|IGI

2.51ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG780666180

Shape and cutting style on the report: Princess cut

Certificate IGI LG780666180

Diamond specifications and retailer prices

From £1,061 GBP
$1,413 USD
As of October 30, 2026
Save £6,238 GBP (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,299 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 2.51ct lab-grown princess diamond

This 2.51ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780666180 or 780666180. Listed at 14 retailers as of October 30, 2026, with prices from £1,061 to £7,299, a £6,238 spread on the same certified stone. Do Amore Diamonds lists it at £7,299. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666180
Dimensions7.67 × 7.51 × 5.13 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm7.51 mm2.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666180
Side View
Table 68.0%Crown 39.7°Girdle: Slightly ThickPavilion 37°Culet: NoneDepth 68.3%

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 30
Current: £7,299 GBP|Low: £1,061 GBP|High: £11,542 GBP|Avg: £3,339 GBP|-36.8%
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
October 30, 2026
Retailer 2£1,061 GBP
Retailer 4£1,184 GBP
Retailer 3£1,340 GBP
Retailer 13£1,341 GBP
Retailer 7£1,575 GBP
Retailer 6£1,976 GBP
Retailer 12£1,992 GBP
Retailer 8£2,266 GBP
Retailer 14£2,292 GBP
Retailer 11£2,546 GBP
Retailer 10£3,428 GBP
Retailer 9£3,900 GBP
Retailer 5£4,378 GBP
Do Amore Diamonds£7,299 GBP

32 data points across 14 retailers

14 retailers£1,061 GBP to £7,299 GBP

A
Cheapest Retailer
-
£1,061 GBP
$1,413 USD
A
Retailer 2
-
£1,184 GBP
$1,577 USD
View
A
Retailer 3
-
£1,340 GBP
$1,785 USD
View
A
Retailer 4
-
£1,341 GBP
$1,786 USD
View
A
Retailer 5
-
£1,575 GBP
$2,097 USD
View
A
Retailer 6
-
£1,976 GBP
$2,632 USD
View
Final sale: no returns
A
Retailer 7
-
£1,992 GBP
$2,653 USD
View
A
Retailer 8
-
£2,266 GBP
€2,874 EUR
View
A
Retailer 9
-
£2,292 GBP
$3,052 USD
View
A
Retailer 10
-
£2,546 GBP
$3,390 USD
View
B+
Retailer 11
-
£3,428 GBP
$4,566 USD
View
B+
Retailer 12
-
£3,900 GBP
View
B+
Retailer 13
-
£4,378 GBP
$5,830 USD
View
Most Expensive
B
Do Amore Diamonds
27-C1712390F · Oct 30
£7,299 GBP
$9,720 USD
View
13 more retailers have this diamond
Prices start from £1,061 GBPSave up to £6,238 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
2.51ct Princess
£1,061 GBP