CaratHunter
Plans
Heart|Lab Grown|IGI

1.21ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG779610657

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG779610657

Diamond specifications and retailer prices

From $187 USD
As of November 4, 2026
Save $894 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,081 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779610657 or 779610657. Listed at 13 retailers as of November 4, 2026, with prices from $187 to $1,081, a $894 spread on the same certified stone. MOH London lists it at $1,081. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779610657
Dimensions6.79 × 7.23 × 4.38 mm
L/W Ratio1.06
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 mm7.23 mm1.21 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779610657
Side View
Table 65.0%Crown 32.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

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: Nov 4
Current: $1,081 USD|Low: $179 USD|High: $1,097 USD|Avg: $520 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$187 USD
Retailer 5$232 USD
Retailer 7$232 USD
Retailer 6$408 USD
Retailer 2$416 USD
Retailer 9$447 USD
Retailer 8$553 USD
Retailer 3$748 USD
Retailer 10$799 USD
MOH London$1,081 USD

44 data points across 10 retailers

13 retailers$187 USD to $1,081 USD

A
Cheapest Retailer
-
$187 USD
A
Retailer 2
-
$217 USD
View
Retailer 3
-
$229 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$232 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$232 USD
View
B+
Retailer 6
-
$408 USD
View
B+
Retailer 7
-
$416 USD
View
B+
Retailer 8
-
$447 USD
View
B
Retailer 9
-
$553 USD
View
B
Retailer 10
-
$745 USD
View
B
Retailer 11
-
$748 USD
View
Retailer 12
-
$799 USD
View
Price last confirmed 18 days ago
Most Expensive
B
MOH London
LG779610657 · Nov 5
$1,081 USD
£851 GBP
View
12 more retailers have this diamond
Prices start from $187 USDSave up to $894 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
$187 USD