Princess|Lab Grown|IGI

1.21ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG722571848

Shape and cutting style on the report: Princess cut

Certificate IGI LG722571848

Diamond specifications and retailer prices

From $550 USD
As of October 30, 2026
Save $2,723 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,880 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722571848 or 722571848. Listed at 18 retailers as of October 26, 2026, with a 495% 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

1.21
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722571848
Dimensions5.77 × 5.76 × 4.13 mm
L/W Ratio1.00
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
5.77 mm5.76 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722571848
Side View
Table 70.0%Crown 44.7°Girdle: MediumPavilion 38.4°Culet: NoneDepth 71.7%

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 30
Current: $1,189 USD|Low: $438 USD|High: $3,285 USD|Avg: $1,604 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 18
October 31, 2026
Retailer 15$550 USD
Retailer 3$615 USD
Retailer 14$616 USD
Retailer 17$666 USD
Retailer 2$682 USD
Retailer 7$910 USD
Retailer 5$1,042 USD
Retailer 1$1,189 USD
Retailer 18$1,615 USD
Retailer 6$1,704 USD
Retailer 11$1,835 USD
Retailer 4$1,941 USD
Retailer 16$1,980 USD
Retailer 9$2,210 USD
Retailer 8$2,342 USD
Retailer 10$2,571 USD
Retailer 12$2,870 USD
Retailer 13$3,273 USD

21 data points across 18 retailers

18 retailers$550 USD to $3,273 USD

A
Cheapest Retailer
-
$550 USD
A
Retailer 2
-
$615 USD
View
Final sale: no returns
A
Retailer 3
-
$616 USD
View
A
Retailer 4
-
$666 USD
View
A
Retailer 5
-
$682 USD
View
B+
Retailer 6
-
$910 USD
View
B+
Retailer 7
-
$1,042 USD
View
B+
Retailer 8
-
$1,189 USD
£936 GBP
View
Retailer 9
-
$1,615 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$1,704 USD
View
B+
Retailer 11
-
$1,835 USD
A$2,823 AUD
View
B
Retailer 12
-
$1,941 USD
View
B
Retailer 13
-
$1,980 USD
View
B
Retailer 14
-
$2,342 USD
View
B
Retailer 15
-
$2,571 USD
View
B
Retailer 16
-
$2,870 USD
View
B
Retailer 17
-
$3,273 USD
£2,577 GBP
View
Most Expensive
Do Amore Diamonds
27-246979D53 · Oct 31
$4,880 USD
View
Price under review
17 more retailers have this diamond
Prices start from $550 USDSave up to $2,723 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
$550 USD