Princess|Lab Grown|IGI

1.24ct G FL Princess Lab Grown Diamond

EX • G/FL

Diamond specifications and retailer prices

From £320 GBP
$429 USD
As of November 2, 2026
Save £959 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,668 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.24ct lab-grown princess diamond

This 1.24ct lab-grown princess sits in the classic one-carat band, graded G colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 9 retailers as of October 31, 2026, with a 300% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
G
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions5.80 × 5.78 × 4.15 mm
L/W Ratio1.00
Top View
5.80 mm5.78 mm1.24 ctG / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 71.0%CrownGirdle: MediumPavilionCuletDepth 71.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,668 GBP|Low: £320 GBP|High: £1,691 GBP|Avg: £775 GBP|+9.5%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2£320 GBP
Retailer 6£364 GBP
Retailer 3£398 GBP
Retailer 5£403 GBP
Retailer 4£1,279 GBP
Helzberg Diamonds£1,668 GBP

25 data points across 6 retailers

9 retailers£320 GBP to £1,279 GBP

A
Cheapest Retailer
-
£320 GBP
$429 USD
A
Retailer 2
-
£323 GBP
$434 USD
View
Retailer 3
-
£364 GBP
$488 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
£398 GBP
$534 USD
View
Retailer 5
-
£403 GBP
$541 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£403 GBP
$541 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
£1,279 GBP
$1,716 USD
View
Retailer 8
-
£1,295 GBP
$1,738 USD
View
Price last confirmed 8 days ago
Most Expensive
Helzberg Diamonds
ZXZNONMHKKGH · Oct 13
£1,668 GBP
$2,238 USD
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from £320 GBPSave up to £959 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
1.24ct Princess
£320 GBP