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Princess|Lab Grown|IGI

1.40ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG816617912

Certificate IGI LG816617912

Diamond specifications and retailer prices

From £837 GBP
$1,121 USD
As of October 31, 2026
Save £503 GBP (38%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,339 GBP at Novita Diamonds · As of October 30, 2026
View at Novita Diamonds

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 LG816617912 or 816617912. Listed at 2 retailers as of October 30, 2026, with prices from £837 to £1,339, a £503 spread on the same certified stone. Novita Diamonds lists it at £1,339. 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
OriginLab Grown
Grading LabIGI
CertificateIGI LG816617912
Dimensions6.03 × 6.00 × 4.22 mm
L/W Ratio1.01
Top View
6.03 mm6.00 mm1.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816617912
Side View
Table 67.0%CrownGirdlePavilionCulet: NoneDepth 70.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,339 GBP|Low: £837 GBP|High: £1,355 GBP|Avg: £1,091 GBP
Novita Diamonds
Retailer 2
October 30, 2026
Retailer 2£837 GBP
Novita Diamonds£1,339 GBP

7 data points across 2 retailers

2 retailers£837 GBP to £1,339 GBP

A
Cheapest Retailer
-
£837 GBP
$1,121 USD
Most Expensive
B+
Novita Diamonds
cert_816617912 · Oct 30
£1,339 GBP
A$2,761 AUD
View
1 more retailer has this diamond
Prices start from £837 GBPSave up to £503 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
£837 GBP