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Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG804620292

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804620292

Diamond specifications and retailer prices

From $408 USD
As of October 28, 2026
Save $788 USD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,196 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG804620292 or 804620292. Listed at 7 retailers as of October 28, 2026, with prices from $408 to $1,196, a $788 spread on the same certified stone. MOH London lists it at $1,196. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804620292
Dimensions6.67 × 7.59 × 4.36 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeNone
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
6.67 mm7.59 mm1.23 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804620292
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 57.4%

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 28
Current: $1,196 USD|Low: $346 USD|High: $1,259 USD|Avg: $682 USD|-3.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$346 USD
Retailer 6$408 USD
Retailer 8$498 USD
Retailer 4$536 USD
Retailer 2$560 USD
Retailer 3$585 USD
Retailer 7$1,001 USD
Retailer 5$1,006 USD
MOH London$1,196 USD

40 data points across 9 retailers

7 retailers$408 USD to $1,196 USD

A
Cheapest Retailer
-
$408 USD
B+
Retailer 2
-
$536 USD
View
B+
Retailer 3
-
$560 USD
£441 GBP
View
B+
Retailer 4
-
$585 USD
View
B
Retailer 5
-
$1,001 USD
A$1,540 AUD
View
Price last confirmed 77 days ago
B
Retailer 6
-
$1,006 USD
View
Most Expensive
B
MOH London
LG804620292 · Oct 29
$1,196 USD
£942 GBP
View
6 more retailers have this diamond
Prices start from $408 USDSave up to $788 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
1.23ct Heart
$408 USD