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 $1,217 AUD
$855 USD
As of November 1, 2026
Save $8,478 AUD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $13,108 AUD 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
Colour
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: Nov 1
Current: $1,890 AUD|Low: $1,136 AUD|High: $10,962 AUD|Avg: $3,178 AUD|+2.2%
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 2, 2026
Retailer 14$1,217 AUD
Retailer 5$1,748 AUD
Retailer 1$1,890 AUD
Retailer 4$1,913 AUD
Retailer 12$1,915 AUD
Retailer 15$2,082 AUD
Retailer 13$2,389 AUD
Retailer 16$2,394 AUD
Retailer 17$2,903 AUD
Retailer 6$3,227 AUD
Retailer 8$3,667 AUD
Retailer 7$3,845 AUD
Retailer 3$4,019 AUD
Retailer 9$4,063 AUD
Retailer 10$4,628 AUD
Retailer 11$5,191 AUD
Retailer 2$9,695 AUD

44 data points across 17 retailers

26 retailers$1,217 AUD to $9,695 AUD

Retailer 1
-
$1,016 AUD
$714 USD
Price last confirmed 22 days ago
Retailer 2
-
$1,016 AUD
$714 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$1,106 AUD
$777 USD
View
Price last confirmed 39 days ago
Retailer 4
-
$1,162 AUD
$816 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$1,179 AUD
$828 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$1,179 AUD
$828 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$1,217 AUD
$855 USD
View
Final sale: no returns
A
Retailer 8
-
$1,748 AUD
$1,228 USD
View
A
Retailer 9
-
$1,890 AUD
£1,045 GBP
View
B+
Retailer 10
-
$1,913 AUD
$1,344 USD
View
A
Retailer 11
-
$1,915 AUD
$1,345 USD
View
A
Retailer 12
-
$2,082 AUD
€1,393 EUR
View
A
Retailer 13
-
$2,389 AUD
View
A
Retailer 14
-
$2,394 AUD
ZAR 27,172 ZAR
View
B+
Retailer 15
-
$2,903 AUD
$2,039 USD
View
B+
Retailer 16
-
$3,227 AUD
$2,267 USD
View
Retailer 17
-
$3,314 AUD
$2,328 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$3,667 AUD
£2,028 GBP
View
B+
Retailer 19
-
$3,845 AUD
$2,701 USD
View
B+
Retailer 20
-
$4,019 AUD
$2,823 USD
View
B+
Retailer 21
-
$4,063 AUD
$2,854 USD
View
B+
Retailer 22
-
$4,628 AUD
£2,560 GBP
View
B
Retailer 23
-
$5,191 AUD
View
Retailer 24
-
$7,387 AUD
$5,189 USD
View
Price last confirmed 84 days ago
B
Retailer 25
-
$9,695 AUD
$6,810 USD
View
Most Expensive
Queensmith
LG629433959 · Oct 9
$13,108 AUD
£7,250 GBP
View
Price last confirmed 23 days ago
25 more retailers have this diamond
Prices start from $1,217 AUDSave up to $8,478 AUD

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
$1,217 AUD