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Princess|Lab Grown|IGI

3.11ct K VS1 Princess Lab Grown Diamond

ID • K/VS1 • IGI LG476185685

Shape and cutting style on the report: Princess cut

Certificate IGI LG476185685

Diamond specifications and retailer prices

From £6,709 GBP
As of November 6, 2026
Save £11,419 GBP (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £18,128 GBP at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

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 LG476185685 or 476185685. Listed at 10 retailers as of November 3, 2026, with prices from £6,709 to £18,128, a £11,419 spread on the same certified stone. Cape Diamonds lists it at £18,128. 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
SymmetryVery Good
FluorescenceNone
Crown angle45.9°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476185685
Dimensions7.89 × 7.89 × 5.64 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.89 mm7.89 mm3.11 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG476185685
Side View
Table 73.5%Crown 45.9°Girdle: Slightly ThickPavilion 38.2°CuletDepth 71.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £18,128 GBP|Low: £6,441 GBP|High: £19,541 GBP|Avg: £9,967 GBP|-7.2%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5£6,709 GBP
Retailer 7£7,783 GBP
Retailer 9£7,783 GBP
Retailer 10£7,819 GBP
Retailer 4£8,520 GBP
Retailer 8£8,753 GBP
Retailer 6£9,001 GBP
Retailer 2£9,296 GBP
Retailer 3£13,855 GBP
Cape Diamonds£18,128 GBP

39 data points across 10 retailers

10 retailers£6,709 GBP to £18,128 GBP

B
Cheapest Retailer
-
£6,709 GBP
B
Retailer 2
-
£6,977 GBP
View
B
Retailer 3
-
£7,783 GBP
View
Retailer 4
-
£7,783 GBP
View
Price last confirmed 25 days ago
B
Retailer 5
-
£8,520 GBP
View
B
Retailer 6
-
£8,753 GBP
View
B
Retailer 7
-
£9,001 GBP
View
B
Retailer 8
-
£9,296 GBP
View
B
Retailer 9
-
£13,855 GBP
View
Most Expensive
B
Cape Diamonds
cert_476185685 · Nov 3
£18,128 GBP
ZAR 394,162 ZAR
View
9 more retailers have this diamond
Prices start from £6,709 GBPSave up to £11,419 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.

B
3.11ct Princess
£6,709 GBP