Princess|Lab Grown|IGI

5.51ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG629433959

Shape and cutting style on the report: Princess cut

Certificate IGI LG629433959

Diamond specifications and retailer prices

From $855 USD
As of October 31, 2026
Save $5,955 USD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $9,208 USD at Queensmith · As of October 9, 2026
View at Queensmith

About this 5.51ct lab-grown princess diamond

This 5.51ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629433959 or 629433959. Listed at 26 retailers as of October 31, 2026, with a 696% 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629433959
Dimensions9.73 × 9.40 × 6.56 mm
L/W Ratio1.04
Culet sizePointed
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
9.73 mm9.40 mm5.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629433959
Side View
Table 66.0%Crown 39.6°Girdle: MediumPavilion 36.1°Culet: NoneDepth 69.8%

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: Oct 31
Current: $3,251 USD|Low: $785 USD|High: $7,700 USD|Avg: $2,227 USD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 14$855 USD
Retailer 5$1,228 USD
Retailer 10$1,328 USD
Retailer 4$1,344 USD
Retailer 12$1,345 USD
Retailer 15$1,463 USD
Retailer 13$1,678 USD
Retailer 16$1,682 USD
Retailer 17$2,039 USD
Retailer 6$2,267 USD
Retailer 8$2,576 USD
Retailer 7$2,701 USD
Retailer 3$2,823 USD
Retailer 9$2,854 USD
Retailer 1$3,251 USD
Retailer 11$3,647 USD
Retailer 2$6,810 USD

43 data points across 17 retailers

26 retailers$855 USD to $6,810 USD

Retailer 1
-
$714 USD
Price last confirmed 21 days ago
Retailer 2
-
$714 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$777 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$816 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$828 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$828 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$855 USD
View
Final sale: no returns
A
Retailer 8
-
$1,228 USD
View
A
Retailer 9
-
$1,328 USD
£1,045 GBP
View
B+
Retailer 10
-
$1,344 USD
View
A
Retailer 11
-
$1,345 USD
View
A
Retailer 12
-
$1,463 USD
€1,393 EUR
View
A
Retailer 13
-
$1,678 USD
A$2,582 AUD
View
A
Retailer 14
-
$1,682 USD
ZAR 27,172 ZAR
View
B+
Retailer 15
-
$2,039 USD
View
B+
Retailer 16
-
$2,267 USD
View
Retailer 17
-
$2,328 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$2,576 USD
£2,028 GBP
View
B+
Retailer 19
-
$2,701 USD
View
B+
Retailer 20
-
$2,823 USD
View
B+
Retailer 21
-
$2,854 USD
View
B+
Retailer 22
-
$3,251 USD
£2,560 GBP
View
B
Retailer 23
-
$3,647 USD
A$5,610 AUD
View
Retailer 24
-
$5,189 USD
View
Price last confirmed 84 days ago
B
Retailer 25
-
$6,810 USD
View
Most Expensive
Queensmith
LG629433959 · Oct 9
$9,208 USD
£7,250 GBP
View
Price last confirmed 23 days ago
25 more retailers have this diamond
Prices start from $855 USDSave up to $5,955 USD

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
$855 USD