CaratHunter
Plans
Princess|Lab Grown|IGI

1.40ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG732550027

Shape and cutting style on the report: Princess cut

Certificate IGI LG732550027

Diamond specifications and retailer prices

From £278 GBP
$372 USD
As of October 30, 2026
Save £1,715 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,993 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.4ct lab-grown princess diamond

This 1.4ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG732550027 or 732550027. Listed at 23 retailers as of October 28, 2026, with prices from £278 to £1,993, a £1,715 spread on the same certified stone. Rare Carat lists it at £1,993. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732550027
Dimensions5.89 × 5.85 × 4.61 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
5.89 mm5.85 mm1.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732550027
Side View
Table 66.0%Crown 48.5°Girdle: Slightly ThickPavilion 39.3°Culet: NoneDepth 78.8%

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: £1,993 GBP|Low: £278 GBP|High: £2,739 GBP|Avg: £902 GBP
Rare Carat
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 31, 2026
Retailer 18£278 GBP
Retailer 10£310 GBP
Retailer 4£322 GBP
Retailer 6£345 GBP
Retailer 22£345 GBP
Retailer 17£356 GBP
Retailer 9£382 GBP
Retailer 20£455 GBP
Retailer 11£463 GBP
Retailer 8£530 GBP
Retailer 21£554 GBP
Retailer 3£592 GBP
Retailer 2£618 GBP
Retailer 7£774 GBP
Retailer 19£837 GBP
Retailer 14£1,011 GBP
Retailer 15£1,098 GBP
Retailer 23£1,108 GBP
Retailer 16£1,137 GBP
Retailer 12£1,302 GBP
Retailer 5£1,349 GBP
Retailer 13£1,918 GBP
Rare Carat£1,993 GBP

25 data points across 23 retailers

23 retailers£278 GBP to £1,993 GBP

A
Cheapest Retailer
-
£278 GBP
$372 USD
A
Retailer 2
-
£310 GBP
$416 USD
View
Final sale: no returns
A
Retailer 3
-
£322 GBP
$432 USD
View
A
Retailer 4
-
£345 GBP
$462 USD
View
A
Retailer 5
-
£345 GBP
$462 USD
View
A
Retailer 6
-
£356 GBP
View
A
Retailer 7
-
£382 GBP
HK$4,000 HKD
View
A
Retailer 8
-
£455 GBP
$610 USD
View
A
Retailer 9
-
£463 GBP
$620 USD
View
A
Retailer 10
-
£530 GBP
$710 USD
View
A
Retailer 11
-
£554 GBP
€707 EUR
View
A
Retailer 12
-
£592 GBP
ZAR 12,822 ZAR
View
A
Retailer 13
-
£618 GBP
View
A
Retailer 14
-
£774 GBP
$1,037 USD
View
A
Retailer 15
-
£837 GBP
A$1,726 AUD
View
B+
Retailer 16
-
£1,011 GBP
$1,354 USD
View
B+
Retailer 17
-
£1,098 GBP
SGD 1,988 SGD
View
B+
Retailer 18
-
£1,108 GBP
$1,485 USD
View
B+
Retailer 19
-
£1,137 GBP
$1,524 USD
View
B+
Retailer 20
-
£1,302 GBP
$1,744 USD
View
B+
Retailer 21
-
£1,349 GBP
View
B
Retailer 22
-
£1,918 GBP
$2,570 USD
View
Most Expensive
B
Rare Carat
RD23A-447A_l_732550027 · Oct 28
£1,993 GBP
$2,670 USD
View
22 more retailers have this diamond
Prices start from £278 GBPSave up to £1,715 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
1.40ct Princess
£278 GBP