Heart|Lab Grown|IGI

1.21ct G VVS2 Heart Lab Grown Diamond

ID • G/VVS2 • IGI LG800628823

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800628823

Diamond specifications and retailer prices

From $298 USD
As of November 1, 2026
Save $465 USD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,033 USD at MOH London · As of October 25, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800628823 or 800628823. Listed at 8 retailers as of October 31, 2026, with a 156% 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
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800628823
Dimensions6.81 × 7.31 × 4.30 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm7.31 mm1.21 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800628823
Side View
Table 64.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 58.8%

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 1
Current: $1,033 USD|Low: $298 USD|High: $1,773 USD|Avg: $580 USD|-41.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$298 USD
Retailer 3$376 USD
Retailer 2$396 USD
Retailer 6$454 USD
Retailer 4$468 USD
Retailer 5$763 USD
MOH London$1,033 USD

39 data points across 7 retailers

8 retailers$298 USD to $763 USD

Retailer 1
-
$256 USD
HK$2,000 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
$298 USD
View
A
Retailer 3
-
$376 USD
€358 EUR
View
A
Retailer 4
-
$396 USD
£312 GBP
View
B+
Retailer 5
-
$454 USD
View
B+
Retailer 6
-
$468 USD
View
B
Retailer 7
-
$763 USD
View
Most Expensive
MOH London
LG800628823 · Oct 25
$1,033 USD
£813 GBP
View
Price last confirmed 8 days ago
7 more retailers have this diamond
Prices start from $298 USDSave up to $465 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
$298 USD