Princess|Lab Grown|IGI

3.11ct K VS1 Princess Lab Grown Diamond

ID • K/VS1 • IGI LG662473787

Shape and cutting style on the report: Princess cut

Certificate IGI LG662473787

Diamond specifications and retailer prices

From £298 GBP
As of November 4, 2026
Save £986 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,401 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.11ct lab-grown princess diamond

This 3.11ct lab-grown princess sits in the three to five carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662473787 or 662473787. Listed at 13 retailers as of November 3, 2026, with a 331% 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

3.11
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662473787
Dimensions7.84 × 7.83 × 5.66 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
7.84 mm7.83 mm3.11 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662473787
Side View
Table 72.0%Crown 46.8°Girdle: MediumPavilion 38.4°Culet: NoneDepth 72.3%

Caratlytics Score

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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 4
Current: £1,401 GBP|Low: £367 GBP|High: £1,423 GBP|Avg: £730 GBP|-1.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2£367 GBP
Retailer 3£412 GBP
Retailer 9£458 GBP
Retailer 7£481 GBP
Retailer 8£536 GBP
Retailer 10£547 GBP
Retailer 5£715 GBP
Retailer 6£873 GBP
Retailer 4£1,284 GBP
Rare Carat£1,401 GBP

33 data points across 10 retailers

13 retailers£298 GBP to £1,284 GBP

Retailer 1
-
£298 GBP
Price last confirmed 34 days ago
A
Retailer 2
-
£298 GBP
View
A
Retailer 3
-
£298 GBP
View
A
Retailer 4
-
£367 GBP
View
A
Retailer 5
-
£412 GBP
View
A
Retailer 6
-
£458 GBP
View
B+
Retailer 7
-
£481 GBP
View
A
Retailer 8
-
£536 GBP
View
A
Retailer 9
-
£715 GBP
View
B+
Retailer 10
-
£873 GBP
View
Retailer 11
-
£1,057 GBP
View
Price last confirmed 37 days ago
A
Retailer 12
-
£1,284 GBP
View
Most Expensive
Rare Carat
GRPR00338 · Oct 18
£1,401 GBP
$1,885 USD
View
Price last confirmed 18 days ago
12 more retailers have this diamond
Prices start from £298 GBPSave up to £986 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
3.11ct Princess
£298 GBP