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Princess|Lab Grown|IGI

3.56ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG669446879

Shape and cutting style on the report: Princess cut

Certificate IGI LG669446879

Diamond specifications and retailer prices

From £510 GBP
$683 USD
As of October 30, 2026
Save £4,013 GBP (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,814 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 3.56ct lab-grown princess diamond

This 3.56ct lab-grown princess sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG669446879 or 669446879. Listed at 24 retailers as of October 30, 2026, with a 787% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.56
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669446879
Dimensions8.32 × 8.32 × 5.68 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.32 mm8.32 mm3.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669446879
Side View
Table 67.0%Crown 46.2°Girdle: MediumPavilion 36.9°Culet: NoneDepth 68.3%

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: £4,814 GBP|Low: £489 GBP|High: £4,963 GBP|Avg: £1,487 GBP|-3.0%
Brilliant Earth
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
November 1, 2026
Retailer 17£510 GBP
Retailer 9£570 GBP
Retailer 4£591 GBP
Retailer 7£591 GBP
Retailer 14£724 GBP
Retailer 10£796 GBP
Retailer 8£888 GBP
Retailer 11£999 GBP
Retailer 12£1,473 GBP
Retailer 16£1,509 GBP
Retailer 13£1,514 GBP
Retailer 3£1,820 GBP
Retailer 6£1,834 GBP
Retailer 5£2,015 GBP
Retailer 15£2,127 GBP
Retailer 2£2,561 GBP
Brilliant Earth£4,814 GBP

43 data points across 17 retailers

24 retailers£510 GBP to £4,523 GBP

A
Cheapest Retailer
-
£510 GBP
$683 USD
A
Retailer 2
-
£555 GBP
$743 USD
View
A
Retailer 3
-
£570 GBP
$764 USD
View
Final sale: no returns
A
Retailer 4
-
£591 GBP
$792 USD
View
Retailer 5
-
£591 GBP
$792 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£724 GBP
$970 USD
View
A
Retailer 7
-
£796 GBP
View
A
Retailer 8
-
£835 GBP
$1,119 USD
View
A
Retailer 9
-
£851 GBP
$1,140 USD
View
A
Retailer 10
-
£888 GBP
$1,190 USD
View
A
Retailer 11
-
£999 GBP
View
B+
Retailer 12
-
£1,473 GBP
A$3,036 AUD
View
B+
Retailer 13
-
£1,509 GBP
$2,022 USD
View
B+
Retailer 14
-
£1,514 GBP
ZAR 32,782 ZAR
View
Retailer 15
-
£1,820 GBP
A$3,751 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
£1,834 GBP
$2,457 USD
View
B+
Retailer 17
-
£2,015 GBP
$2,700 USD
View
B+
Retailer 18
-
£2,024 GBP
$2,712 USD
View
B+
Retailer 19
-
£2,025 GBP
View
Retailer 20
-
£2,127 GBP
$2,850 USD
View
Price last confirmed 14 days ago
B
Retailer 21
-
£2,333 GBP
$3,126 USD
View
B+
Retailer 22
-
£2,561 GBP
View
B
Retailer 23
-
£4,523 GBP
$6,060 USD
View
Most Expensive
Brilliant Earth
18599943A · Oct 22
£4,814 GBP
$6,450 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from £510 GBPSave up to £4,013 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
3.56ct Princess
£510 GBP