Princess|Lab Grown|IGI

1.29ct D FL Princess Lab Grown Diamond

EX • D/FL • IGI LG800677694

Shape and cutting style on the report: Princess cut

Certificate IGI LG800677694

Diamond specifications and retailer prices

From £257 GBP
$344 USD
As of October 30, 2026
Save £2,020 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,276 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.29ct lab-grown princess diamond

This 1.29ct 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 LG800677694 or 800677694. Listed at 16 retailers as of October 30, 2026, with prices from £257 to £2,276, a £2,020 spread on the same certified stone. Do Amore Diamonds lists it at £2,276. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677694
Dimensions5.91 × 5.86 × 4.21 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.91 mm5.86 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677694
Side View
Table 68.0%Crown 43.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 71.8%

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: £2,276 GBP|Low: £257 GBP|High: £3,388 GBP|Avg: £1,042 GBP|-32.8%
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
Retailer 15
November 1, 2026
Retailer 11£257 GBP
Retailer 3£298 GBP
Retailer 8£361 GBP
Retailer 12£435 GBP
Retailer 4£470 GBP
Retailer 14£512 GBP
Retailer 6£532 GBP
Retailer 10£592 GBP
Retailer 13£933 GBP
Retailer 15£1,128 GBP
Retailer 5£1,187 GBP
Retailer 2£1,372 GBP
Retailer 7£1,464 GBP
Retailer 9£1,702 GBP
Do Amore Diamonds£2,276 GBP

36 data points across 15 retailers

16 retailers£257 GBP to £2,276 GBP

A
Cheapest Retailer
-
£257 GBP
$344 USD
A
Retailer 2
-
£298 GBP
$399 USD
View
A
Retailer 3
-
£361 GBP
View
A
Retailer 4
-
£430 GBP
$576 USD
View
Final sale: no returns
A
Retailer 5
-
£435 GBP
$583 USD
View
A
Retailer 6
-
£470 GBP
$630 USD
View
A
Retailer 7
-
£512 GBP
$686 USD
View
A
Retailer 8
-
£532 GBP
$713 USD
View
A
Retailer 9
-
£592 GBP
€756 EUR
View
B+
Retailer 10
-
£933 GBP
$1,250 USD
View
B+
Retailer 11
-
£1,128 GBP
$1,512 USD
View
B+
Retailer 12
-
£1,187 GBP
$1,590 USD
View
B+
Retailer 13
-
£1,372 GBP
View
B+
Retailer 14
-
£1,464 GBP
$1,961 USD
View
B+
Retailer 15
-
£1,702 GBP
$2,280 USD
View
Most Expensive
B
Do Amore Diamonds
27-C5EC5DD8C · Nov 1
£2,276 GBP
$3,050 USD
View
15 more retailers have this diamond
Prices start from £257 GBPSave up to £2,020 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
1.29ct Princess
£257 GBP