Princess|Lab Grown|IGI

1.51ct F IF Princess Lab Grown Diamond

ID • F/IF • IGI LG624440106

Shape and cutting style on the report: Princess cut

Certificate IGI LG624440106

Diamond specifications and retailer prices

From $376 USD
As of November 4, 2026
Save $2,064 USD (85%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $2,718 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG624440106 or 624440106. Listed at 28 retailers as of November 4, 2026, with a 549% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624440106
Dimensions6.12 × 6.04 × 4.45 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.12 mm6.04 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624440106
Side View
Table 66.0%Crown 42.3°Girdle: MediumPavilion 38.2°Culet: NoneDepth 73.7%

Caratlytics Score

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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 4
Current: $476 USD|Low: $376 USD|High: $2,440 USD|Avg: $1,057 USD|-3.3%
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November 5, 2026
Retailer 5$376 USD
Retailer 11$420 USD
Retailer 4$421 USD
Retailer 7$466 USD
Retailer 10$466 USD
Retailer 1$476 USD
Retailer 3$615 USD
Retailer 13$625 USD
Retailer 2$718 USD
Retailer 9$786 USD
Retailer 23$803 USD
Retailer 19$833 USD
Retailer 8$1,031 USD
Retailer 20$1,086 USD
Retailer 21$1,171 USD
Retailer 22$1,307 USD
Retailer 17$1,497 USD
Retailer 16$1,536 USD
Retailer 15$1,745 USD
Retailer 14$1,754 USD
Retailer 12$1,814 USD
Retailer 18$1,844 USD
Retailer 25$1,973 USD
Retailer 6$2,035 USD
Retailer 24$2,440 USD

28 data points across 25 retailers

28 retailers$376 USD to $2,440 USD

A
Cheapest Retailer
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$376 USD
A
Retailer 2
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$420 USD
View
Final sale: no returns
A
Retailer 3
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$421 USD
View
Retailer 4
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$466 USD
View
Price last confirmed 11 days ago
A
Retailer 5
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$466 USD
View
A
Retailer 6
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$476 USD
View
A
Retailer 7
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$615 USD
View
A
Retailer 8
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$625 USD
View
Retailer 9
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$718 USD
View
Price last confirmed 7 days ago
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Retailer 10
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$786 USD
View
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Retailer 11
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$803 USD
View
A
Retailer 12
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$833 USD
View
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Retailer 13
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$1,031 USD
View
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Retailer 14
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$1,086 USD
View
A
Retailer 15
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$1,171 USD
View
A
Retailer 16
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$1,179 USD
View
B+
Retailer 17
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$1,307 USD
View
B+
Retailer 18
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$1,463 USD
View
B+
Retailer 19
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$1,497 USD
View
B+
Retailer 20
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$1,536 USD
View
Retailer 21
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$1,745 USD
View
Price last confirmed 9 days ago
B+
Retailer 22
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$1,754 USD
View
B+
Retailer 23
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$1,814 USD
View
Retailer 24
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$1,844 USD
View
Price last confirmed 22 days ago
B+
Retailer 25
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$1,973 USD
View
B+
Retailer 26
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$2,035 USD
View
B
Retailer 27
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$2,440 USD
View
Most Expensive
Queensmith
LG624440106 · Oct 27
$2,718 USD
£2,140 GBP
View
Price last confirmed 9 days ago
27 more retailers have this diamond
Prices start from $376 USDSave up to $2,064 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
1.51ct Princess
$376 USD