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Heart|Lab Grown|IGI

1.21ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG778650792

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778650792

Diamond specifications and retailer prices

From $208 USD
As of October 30, 2026
Save $1,608 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,816 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778650792 or 778650792. Listed at 20 retailers as of October 27, 2026, with prices from $208 to $1,816, a $1,608 spread on the same certified stone. Queensmith lists it at $1,816. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778650792
Dimensions6.79 × 7.34 × 4.14 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm7.34 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778650792
Side View
Table 61.0%Crown 30.3°Girdle: THK-VTKPavilion 40.1°Culet: NoneDepth 56.4%

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: Oct 30
Current: $445 USD|Low: $199 USD|High: $1,200 USD|Avg: $547 USD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$208 USD
Retailer 4$232 USD
Retailer 12$258 USD
Retailer 6$427 USD
Retailer 2$444 USD
Retailer 1$445 USD
Retailer 5$475 USD
Retailer 3$501 USD
Retailer 7$629 USD
Retailer 9$831 USD
Retailer 8$1,034 USD
Retailer 11$1,200 USD

45 data points across 12 retailers

20 retailers$208 USD to $1,816 USD

A
Cheapest Retailer
-
$208 USD
A
Retailer 2
-
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$241 USD
View
A
Retailer 4
-
$258 USD
View
Retailer 5
-
$258 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$427 USD
€407 EUR
View
A
Retailer 7
-
$444 USD
View
A
Retailer 8
-
$445 USD
ZAR 7,183 ZAR
View
B+
Retailer 9
-
$475 USD
£374 GBP
View
B+
Retailer 10
-
$501 USD
View
B+
Retailer 11
-
$507 USD
View
B+
Retailer 12
-
$629 USD
A$968 AUD
View
B
Retailer 13
-
$828 USD
View
B
Retailer 14
-
$831 USD
View
B
Retailer 15
-
$837 USD
SGD 1,131 SGD
View
B
Retailer 16
-
$881 USD
View
Retailer 17
-
$1,034 USD
£814 GBP
View
Price last confirmed 7 days ago
Retailer 18
-
$1,200 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,218 USD
View
Most Expensive
B
Queensmith
LG778650792 · Oct 27
$1,816 USD
£1,430 GBP
View
19 more retailers have this diamond
Prices start from $208 USDSave up to $1,608 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 Heart
$208 USD