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Round|Lab Grown|IGI

1.21ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG692511436

Shape and cutting style on the report: Round brilliant

Certificate IGI LG692511436

Diamond specifications and retailer prices

From $176 USD
As of November 3, 2026
Save $1,514 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,690 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG692511436 or 692511436. Listed at 22 retailers as of November 3, 2026, with prices from $176 to $1,690, a $1,514 spread on the same certified stone. Do Amore Diamonds lists it at $1,690. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692511436
Dimensions6.75 × 6.79 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.75 mm6.79 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692511436
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.5%

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 3
Current: $434 USD|Low: $176 USD|High: $1,137 USD|Avg: $449 USD|+3.1%
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
November 4, 2026
Retailer 8$176 USD
Retailer 6$196 USD
Retailer 10$204 USD
Retailer 5$218 USD
Retailer 11$218 USD
Retailer 7$408 USD
Retailer 14$415 USD
Retailer 1$434 USD
Retailer 3$466 USD
Retailer 13$587 USD
Retailer 12$624 USD
Retailer 4$736 USD
Retailer 9$774 USD
Retailer 2$1,126 USD

26 data points across 14 retailers

22 retailers$176 USD to $1,690 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$204 USD
View
Retailer 4
-
$218 USD
View
Price last confirmed 10 days ago
A
Retailer 5
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$218 USD
View
B+
Retailer 6
-
$294 USD
View
A
Retailer 7
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$302 USD
View
Retailer 8
-
$332 USD
View
Price last confirmed 61 days ago
A
Retailer 9
-
$408 USD
View
A
Retailer 10
-
$415 USD
View
B+
Retailer 11
-
$434 USD
View
B+
Retailer 12
-
$466 USD
View
B+
Retailer 13
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$525 USD
View
Retailer 14
-
$530 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$587 USD
View
B+
Retailer 16
-
$624 USD
View
Retailer 17
-
$736 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
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$774 USD
View
B
Retailer 19
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$947 USD
View
B
Retailer 20
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$1,118 USD
View
B
Retailer 21
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$1,126 USD
View
Most Expensive
B
Do Amore Diamonds
27-014487F27 · Nov 4
$1,690 USD
View
21 more retailers have this diamond
Prices start from $176 USDSave up to $1,514 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 Round
$176 USD