Princess|Lab Grown|IGI

5.91ct D VVS1 Princess Lab Grown Diamond

EX • D/VVS1

Diamond specifications and retailer prices

From £1,642 GBP
$2,200 USD
As of October 30, 2026
Save £976 GBP (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,646 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 5.91ct lab-grown princess diamond

This 5.91ct lab-grown princess sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 6 retailers as of October 28, 2026, with a 59% 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

5.91
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.92 × 9.59 × 7.07 mm
L/W Ratio1.03
Top View
9.92 mm9.59 mm5.91 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 70.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 73.7%

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: £6,646 GBP|Low: £1,642 GBP|High: £7,131 GBP|Avg: £4,423 GBP|-6.8%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2£1,642 GBP
Retailer 5£1,787 GBP
Retailer 3£1,905 GBP
Retailer 6£2,129 GBP
Retailer 4£2,618 GBP
Helzberg Diamonds£6,646 GBP

17 data points across 6 retailers

6 retailers£1,642 GBP to £2,618 GBP

A
Cheapest Retailer
-
£1,642 GBP
$2,200 USD
A
Retailer 2
-
£1,787 GBP
$2,394 USD
View
A
Retailer 3
-
£1,905 GBP
$2,552 USD
View
B+
Retailer 4
-
£2,129 GBP
$2,852 USD
View
B+
Retailer 5
-
£2,618 GBP
$3,508 USD
View
Most Expensive
Helzberg Diamonds
ZXZOJPMLHLGL · Oct 13
£6,646 GBP
$8,905 USD
View
Price last confirmed 18 days ago
5 more retailers have this diamond
Prices start from £1,642 GBPSave up to £976 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
5.91ct Princess
£1,642 GBP