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Princess|Lab Grown|IGI

1.21ct E VVS1 Princess Lab Grown Diamond

ID • E/VVS1 • IGI LG720561151

Shape and cutting style on the report: Princess cut

Certificate IGI LG720561151

Diamond specifications and retailer prices

From $197 USD
As of October 27, 2026
Save $1,937 USD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,134 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG720561151 or 720561151. Listed at 20 retailers as of October 27, 2026, with prices from $197 to $2,134, a $1,937 spread on the same certified stone. Queensmith lists it at $2,134. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720561151
Dimensions5.78 × 5.76 × 4.24 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
5.78 mm5.76 mm1.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720561151
Side View
Table 74.0%Crown 47.8°Girdle: MediumPavilion 39°Culet: NoneDepth 73.6%

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 27
Current: $400 USD|Low: $189 USD|High: $1,160 USD|Avg: $535 USD|+2.7%
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
October 29, 2026
Retailer 13$197 USD
Retailer 5$228 USD
Retailer 2$244 USD
Retailer 4$244 USD
Retailer 7$300 USD
Retailer 1$400 USD
Retailer 10$419 USD
Retailer 9$443 USD
Retailer 6$564 USD
Retailer 12$624 USD
Retailer 3$783 USD
Retailer 8$960 USD
Retailer 11$1,140 USD
Retailer 14$1,160 USD

38 data points across 14 retailers

20 retailers$197 USD to $2,134 USD

A
Cheapest Retailer
-
$197 USD
A
Retailer 2
-
$220 USD
View
Final sale: no returns
A
Retailer 3
-
$228 USD
View
A
Retailer 4
-
$244 USD
View
A
Retailer 5
-
$244 USD
View
A
Retailer 6
-
$300 USD
£236 GBP
View
B+
Retailer 7
-
$330 USD
View
A
Retailer 8
-
$400 USD
€381 EUR
View
A
Retailer 9
-
$419 USD
ZAR 6,761 ZAR
View
A
Retailer 10
-
$443 USD
£349 GBP
View
B+
Retailer 11
-
$554 USD
View
B+
Retailer 12
-
$564 USD
View
B+
Retailer 13
-
$624 USD
View
B+
Retailer 14
-
$783 USD
View
B+
Retailer 15
-
$837 USD
View
B+
Retailer 16
-
$960 USD
View
B
Retailer 17
-
$1,140 USD
£898 GBP
View
B
Retailer 18
-
$1,160 USD
View
B
Retailer 19
-
$1,183 USD
View
Most Expensive
B
Queensmith
LG720561151 · Oct 27
$2,134 USD
£1,680 GBP
View
19 more retailers have this diamond
Prices start from $197 USDSave up to $1,937 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
$197 USD