Princess|Lab Grown|IGI

5.51ct D VVS1 Princess Lab Grown Diamond

ID • D/VVS1 • IGI LG839623001

Shape and cutting style on the report: Princess cut

Certificate IGI LG839623001

Diamond specifications and retailer prices

From £1,878 GBP
As of October 26, 2026
Save £7,234 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £12,501 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 5.51ct lab-grown princess diamond

This 5.51ct 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 LG839623001 or 839623001. Listed at 19 retailers as of October 26, 2026, with a 385% 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

5.51
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839623001
Dimensions9.67 × 9.33 × 6.88 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.67 mm9.33 mm5.51 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839623001
Side View
Table 67.0%Crown 42.1°Girdle: MED-STKPavilion 38.1°Culet: 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 26
Current: £12,501 GBP|Low: £1,730 GBP|High: £12,501 GBP|Avg: £5,778 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 27, 2026
Retailer 5£1,730 GBP
Retailer 11£1,824 GBP
Retailer 13£1,878 GBP
Retailer 19£1,914 GBP
Retailer 14£2,489 GBP
Retailer 17£2,802 GBP
Retailer 18£2,873 GBP
Retailer 2£3,169 GBP
Retailer 3£3,401 GBP
Retailer 15£3,626 GBP
Retailer 4£3,637 GBP
Retailer 9£4,847 GBP
Retailer 8£4,907 GBP
Retailer 7£6,267 GBP
Retailer 6£6,424 GBP
Retailer 16£6,560 GBP
Retailer 10£7,813 GBP
Retailer 20£9,113 GBP
Retailer 12£9,589 GBP
Brilliant Earth£12,501 GBP

28 data points across 20 retailers

19 retailers£1,878 GBP to £9,113 GBP

Retailer 1
-
£1,824 GBP
$2,444 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£1,878 GBP
View
A
Retailer 3
-
£1,914 GBP
$2,565 USD
View
B+
Retailer 4
-
£2,489 GBP
View
Retailer 5
-
£2,802 GBP
$3,755 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£2,873 GBP
$3,850 USD
View
B+
Retailer 7
-
£3,169 GBP
€4,044 EUR
View
B+
Retailer 8
-
£3,401 GBP
View
B+
Retailer 9
-
£3,626 GBP
ZAR 78,494 ZAR
View
Retailer 10
-
£3,637 GBP
A$7,497 AUD
View
Price last confirmed 8 days ago
B
Retailer 11
-
£4,847 GBP
$6,495 USD
View
Retailer 12
-
£4,907 GBP
View
Price last confirmed 10 days ago
B
Retailer 13
-
£6,267 GBP
$8,397 USD
View
B
Retailer 14
-
£6,424 GBP
SGD 11,632 SGD
View
B
Retailer 15
-
£6,560 GBP
$8,790 USD
View
Retailer 16
-
£7,813 GBP
$10,469 USD
View
Price last confirmed 18 days ago
B
Retailer 17
-
£9,113 GBP
$12,210 USD
View
Retailer 18
-
£9,589 GBP
A$19,767 AUD
View
Price last confirmed 22 days ago
Most Expensive
Brilliant Earth
21662021A · Oct 28
£12,501 GBP
$16,750 USD
View
Price under review
18 more retailers have this diamond
Prices start from £1,878 GBPSave up to £7,234 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
5.51ct Princess
£1,878 GBP