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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 $337 NZD
$190 USD
As of October 30, 2026
Save $2,555 NZD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,892 NZD 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 $337 to $2,892, a $2,555 spread on the same certified stone. Do Amore Diamonds lists it at $2,892. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,892 NZD|Low: $337 NZD|High: $3,016 NZD|Avg: $1,156 NZD|-4.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$337 NZD
Retailer 9$441 NZD
Retailer 4$507 NZD
Retailer 5$691 NZD
Retailer 6$1,008 NZD
Retailer 2$1,022 NZD
Retailer 3$1,260 NZD
Retailer 8$1,933 NZD
Do Amore Diamonds$2,892 NZD

9 data points across 9 retailers

9 retailers$337 NZD to $2,892 NZD

A
Cheapest Retailer
-
$337 NZD
$190 USD
Final sale: no returns
A
Retailer 2
-
$441 NZD
$248 USD
View
B+
Retailer 3
-
$507 NZD
$286 USD
View
A
Retailer 4
-
$691 NZD
€371 EUR
View
B+
Retailer 5
-
$1,008 NZD
A$874 AUD
View
B+
Retailer 6
-
$1,022 NZD
$576 USD
View
B+
Retailer 7
-
$1,260 NZD
$710 USD
View
B
Retailer 8
-
$1,933 NZD
£858 GBP
View
Most Expensive
B
Do Amore Diamonds
27-54E511A02 · Oct 29
$2,892 NZD
$1,630 USD
View
8 more retailers have this diamond
Prices start from $337 NZDSave up to $2,555 NZD

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
$337 NZD