Princess|Lab Grown|IGI

1.21ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG715553368

Shape and cutting style on the report: Princess cut

Certificate IGI LG715553368

Diamond specifications and retailer prices

From $390 USD
As of October 27, 2026
Save $1,540 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,930 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG715553368 or 715553368. Listed at 23 retailers as of October 27, 2026, with prices from $390 to $1,930, a $1,540 spread on the same certified stone. Brilliant Earth lists it at $1,930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715553368
Dimensions5.84 × 5.73 × 4.07 mm
L/W Ratio1.02
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
5.84 mm5.73 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715553368
Side View
Table 70.0%Crown 43.9°Girdle: MediumPavilion 37.2°Culet: NoneDepth 71.0%

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 27
Current: $1,930 USD|Low: $387 USD|High: $1,930 USD|Avg: $1,002 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 29, 2026
Retailer 11$390 USD
Retailer 18$437 USD
Retailer 20$437 USD
Retailer 6$484 USD
Retailer 12$484 USD
Retailer 16$515 USD
Retailer 19$630 USD
Retailer 5$716 USD
Retailer 8$768 USD
Retailer 17$832 USD
Retailer 3$835 USD
Retailer 13$851 USD
Retailer 2$874 USD
Retailer 21$1,188 USD
Retailer 7$1,216 USD
Retailer 4$1,475 USD
Retailer 10$1,556 USD
Retailer 14$1,593 USD
Retailer 9$1,801 USD
Retailer 15$1,901 USD
Brilliant Earth$1,930 USD

27 data points across 21 retailers

23 retailers$390 USD to $1,930 USD

A
Cheapest Retailer
-
$390 USD
A
Retailer 2
-
$437 USD
View
Final sale: no returns
A
Retailer 3
-
$437 USD
View
A
Retailer 4
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$484 USD
View
A
Retailer 5
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$484 USD
View
A
Retailer 6
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$515 USD
£405 GBP
View
A
Retailer 7
-
$630 USD
View
A
Retailer 8
-
$716 USD
View
B+
Retailer 9
-
$768 USD
View
B+
Retailer 10
-
$832 USD
ZAR 13,434 ZAR
View
B+
Retailer 11
-
$835 USD
View
B+
Retailer 12
-
$851 USD
€810 EUR
View
B+
Retailer 13
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$874 USD
£689 GBP
View
B+
Retailer 14
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$1,188 USD
A$1,827 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
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$1,216 USD
View
B+
Retailer 16
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$1,301 USD
A$2,002 AUD
View
Price last confirmed 24 days ago
B
Retailer 17
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$1,475 USD
View
B
Retailer 18
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$1,556 USD
View
B
Retailer 19
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$1,593 USD
View
B
Retailer 20
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$1,801 USD
View
B
Retailer 21
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$1,859 USD
View
B
Retailer 22
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$1,901 USD
£1,497 GBP
View
Most Expensive
B
Brilliant Earth
14755050A · Oct 28
$1,930 USD
View
22 more retailers have this diamond
Prices start from $390 USDSave up to $1,540 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
1.21ct Princess
$390 USD