Heart|Lab Grown|IGI

1.21ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG821630355

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821630355

Diamond specifications and retailer prices

From $256 USD
HK$2,000 HKD
As of November 1, 2026
Save $798 USD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,135 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 LG821630355 or 821630355. Listed at 19 retailers as of October 26, 2026, with a 312% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630355
Dimensions7.11 × 6.74 × 4.31 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.74 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821630355
Side View
Table 62.0%Crown 36.9°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $830 USD|Low: $172 USD|High: $1,550 USD|Avg: $551 USD|-46.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Reve Diamonds
October 31, 2026
Retailer 5$181 USD
Retailer 6$203 USD
Retailer 4$211 USD
Retailer 7$225 USD
Retailer 10$256 USD
Retailer 16$295 USD
Retailer 11$369 USD
Retailer 2$380 USD
Retailer 3$397 USD
Retailer 17$403 USD
Retailer 8$472 USD
Retailer 15$509 USD
Retailer 13$560 USD
Retailer 12$727 USD
Retailer 14$741 USD
Retailer 9$778 USD
Retailer 1$830 USD
Retailer 18$1,054 USD
Reve Diamonds$1,135 USD

31 data points across 19 retailers

19 retailers$256 USD to $1,054 USD

Retailer 1
-
$181 USD
Price last confirmed 16 days ago
Retailer 2
-
$211 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$225 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$256 USD
HK$2,000 HKD
View
A
Retailer 5
-
$295 USD
£232 GBP
View
A
Retailer 6
-
$369 USD
€351 EUR
View
Retailer 7
-
$380 USD
ZAR 6,146 ZAR
View
Price last confirmed 10 days ago
Retailer 8
-
$397 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$403 USD
£318 GBP
View
B+
Retailer 10
-
$472 USD
View
B+
Retailer 11
-
$509 USD
View
B+
Retailer 12
-
$560 USD
View
Retailer 13
-
$723 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$727 USD
SGD 982 SGD
View
B
Retailer 15
-
$741 USD
View
B+
Retailer 16
-
$778 USD
View
B
Retailer 17
-
$830 USD
View
B
Retailer 18
-
$1,054 USD
£830 GBP
View
Most Expensive
Reve Diamonds
332B80B49 · Oct 25
$1,135 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $256 USDSave up to $798 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
$256 USD