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Princess|Lab Grown|IGI

3.66ct H VS1 Princess Lab Grown Diamond

EX • H/VS1

Diamond specifications and retailer prices

From £1,108 GBP
As of November 2, 2026
Save £3,147 GBP (74%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,255 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.66ct lab-grown princess diamond

This 3.66ct lab-grown princess sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 4 retailers as of November 1, 2026, with prices from £1,108 to £4,255, a £3,147 spread on the same certified stone. The Diamond Guys lists it at £4,255. 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

3.66
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.45 × 8.37 × 5.90 mm
L/W Ratio1.01
Top View
8.45 mm8.37 mm3.66 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 67.5%CrownGirdle: MediumPavilionCulet: NoneDepth 70.5%

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: £1,108 GBP|Low: £1,108 GBP|High: £4,255 GBP|Avg: £2,427 GBP|-0.1%
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
November 2, 2026
Retailer 1£1,108 GBP
Retailer 3£1,704 GBP
Retailer 2£2,413 GBP
The Diamond Guys£4,255 GBP

16 data points across 4 retailers

4 retailers£1,108 GBP to £4,255 GBP

A
Cheapest Retailer
-
£1,108 GBP
B+
Retailer 2
-
£1,704 GBP
$2,286 USD
View
B
Retailer 3
-
£2,413 GBP
CA$4,497 CAD
View
Most Expensive
B
The Diamond Guys
1995488840 · Nov 1
£4,255 GBP
$5,710 USD
View
3 more retailers have this diamond
Prices start from £1,108 GBPSave up to £3,147 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
3.66ct Princess
£1,108 GBP