Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG836621440

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621440

Diamond specifications and retailer prices

From $190 USD
As of October 30, 2026
Save $1,440 USD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,630 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836621440 or 836621440. Listed at 9 retailers as of October 29, 2026, with prices from $190 to $1,630, a $1,440 spread on the same certified stone. Do Amore Diamonds lists it at $1,630. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621440
Dimensions6.54 × 7.25 × 4.39 mm
L/W Ratio1.11
Girdle conditionFaceted
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
6.54 mm7.25 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621440
Side View
Table 57.0%Crown 34.9°Girdle: ThickPavilion 39.3°Culet: NoneDepth 60.6%

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 30
Current: $1,630 USD|Low: $190 USD|High: $1,700 USD|Avg: $656 USD|-4.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$190 USD
Retailer 8$248 USD
Retailer 2$286 USD
Retailer 3$390 USD
Retailer 4$568 USD
Retailer 5$716 USD
Retailer 9$810 USD
Retailer 7$1,090 USD
Do Amore Diamonds$1,630 USD

8 data points across 9 retailers

9 retailers$190 USD to $1,630 USD

A
Cheapest Retailer
-
$190 USD
Final sale: no returns
A
Retailer 2
-
$248 USD
View
B+
Retailer 3
-
$286 USD
View
A
Retailer 4
-
$390 USD
€371 EUR
View
B+
Retailer 5
-
$568 USD
A$874 AUD
View
B+
Retailer 6
-
$716 USD
View
B
Retailer 7
-
$810 USD
View
B
Retailer 8
-
$1,090 USD
£858 GBP
View
Most Expensive
B
Do Amore Diamonds
27-54E511A02 · Oct 29
$1,630 USD
View
8 more retailers have this diamond
Prices start from $190 USDSave up to $1,440 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
$190 USD