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Princess|Lab Grown|IGI

1.40ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG770633862

Shape and cutting style on the report: Princess cut

Certificate IGI LG770633862

Diamond specifications and retailer prices

From £1,224 GBP
$1,640 USD
As of October 30, 2026
Save £948 GBP (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,172 GBP at Zales · As of October 30, 2026
View at Zales

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770633862 or 770633862. Listed at 3 retailers as of October 30, 2026, with prices from £1,224 to £2,172, a £948 spread on the same certified stone. Zales lists it at £2,172. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770633862
Dimensions6.16 × 6.05 × 4.37 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
6.16 mm6.05 mm1.40 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770633862
Side View
Table 65.0%Crown 36.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 72.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,224 GBP|Low: £206 GBP|High: £2,642 GBP|Avg: £1,286 GBP|-30.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Zales
September 28, 2026
Retailer 6£271 GBP
Retailer 2£570 GBP
Retailer 7£626 GBP
Retailer 10£973 GBP
Retailer 8£1,138 GBP
Retailer 3£1,189 GBP
Retailer 1£1,224 GBP
Retailer 11£1,311 GBP
Retailer 12£1,424 GBP
Retailer 5£2,172 GBP
Zales£2,172 GBP
Retailer 4£2,194 GBP
Retailer 9£2,336 GBP

52 data points across 13 retailers

3 retailers£1,224 GBP to £2,172 GBP

B+
Cheapest Retailer
-
£1,224 GBP
$1,640 USD
B
Retailer 2
-
£2,172 GBP
$2,910 USD
View
Most Expensive
B
Zales
529037158 · Oct 30
£2,172 GBP
$2,910 USD
View
2 more retailers have this diamond
Prices start from £1,224 GBPSave up to £948 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.

B+
1.40ct Princess
£1,224 GBP