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Round|Lab Grown|IGI

1.21ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG619437100

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619437100

Diamond specifications and retailer prices

From $164 USD
As of October 29, 2026
Save $1,406 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,570 USD at Do Amore Diamonds · As of October 29, 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 LG619437100 or 619437100. Listed at 22 retailers as of October 29, 2026, with prices from $164 to $1,570, a $1,406 spread on the same certified stone. Do Amore Diamonds lists it at $1,570. 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 angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619437100
Dimensions6.88 × 6.83 × 4.21 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
6.88 mm6.83 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619437100
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

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 29
Current: $1,570 USD|Low: $164 USD|High: $1,660 USD|Avg: $547 USD|-5.4%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 28, 2026
Retailer 19$164 USD
Retailer 6$183 USD
Retailer 20$190 USD
Retailer 17$203 USD
Retailer 21$203 USD
Retailer 10$274 USD
Retailer 11$299 USD
Retailer 5$383 USD
Retailer 13$385 USD
Retailer 2$401 USD
Retailer 8$453 USD
Retailer 3$505 USD
Retailer 14$525 USD
Retailer 16$547 USD
Retailer 7$567 USD
Retailer 4$721 USD
Retailer 15$729 USD
Retailer 12$895 USD
Retailer 18$1,050 USD
Retailer 9$1,081 USD
Do Amore Diamonds$1,570 USD

31 data points across 21 retailers

22 retailers$164 USD to $1,570 USD

A
Cheapest Retailer
-
$164 USD
A
Retailer 2
-
$183 USD
View
Final sale: no returns
A
Retailer 3
-
$190 USD
View
A
Retailer 4
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$203 USD
View
A
Retailer 5
-
$203 USD
View
B+
Retailer 6
-
$274 USD
View
A
Retailer 7
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$299 USD
View
A
Retailer 8
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$333 USD
HK$2,600 HKD
View
Price last confirmed 55 days ago
A
Retailer 9
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$383 USD
£301 GBP
View
Price last confirmed 12 days ago
A
Retailer 10
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$385 USD
ZAR 6,224 ZAR
View
A
Retailer 11
-
$401 USD
£316 GBP
View
B+
Retailer 12
-
$453 USD
View
B+
Retailer 13
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$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
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$525 USD
A$808 AUD
View
B+
Retailer 15
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$547 USD
A$842 AUD
View
B+
Retailer 16
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$567 USD
View
B+
Retailer 17
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$721 USD
View
Price last confirmed 11 days ago
B+
Retailer 18
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$729 USD
A$1,122 AUD
View
B
Retailer 19
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$895 USD
View
B
Retailer 20
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$1,050 USD
£827 GBP
View
B
Retailer 21
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$1,081 USD
View
Most Expensive
B
Do Amore Diamonds
27-E72EB21FE · Oct 29
$1,570 USD
View
21 more retailers have this diamond
Prices start from $164 USDSave up to $1,406 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
$164 USD