Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG836612366

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612366

Diamond specifications and retailer prices

From $397 NZD
$224 USD
As of October 30, 2026
Save $3,009 NZD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,407 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836612366 or 836612366. Listed at 9 retailers as of October 29, 2026, with prices from $397 to $3,407, a $3,009 spread on the same certified stone. Do Amore Diamonds lists it at $3,407. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612366
Dimensions7.37 × 6.49 × 4.33 mm
L/W Ratio1.14
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
7.37 mm6.49 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612366
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 38°Culet: NoneDepth 58.8%

Caratlytics Score

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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: $3,407 NZD|Low: $397 NZD|High: $3,407 NZD|Avg: $1,269 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6$397 NZD
Retailer 8$528 NZD
Retailer 2$597 NZD
Retailer 9$598 NZD
Retailer 4$1,189 NZD
Retailer 5$1,421 NZD
Retailer 7$1,881 NZD
Retailer 3$1,960 NZD
Do Amore Diamonds$3,407 NZD

10 data points across 9 retailers

9 retailers$397 NZD to $3,407 NZD

A
Cheapest Retailer
-
$397 NZD
$224 USD
Final sale: no returns
A
Retailer 2
-
$528 NZD
$298 USD
View
A
Retailer 3
-
$597 NZD
£265 GBP
View
B+
Retailer 4
-
$598 NZD
$337 USD
View
B+
Retailer 5
-
$1,189 NZD
A$1,031 AUD
View
B+
Retailer 6
-
$1,421 NZD
$801 USD
View
B
Retailer 7
-
$1,881 NZD
$1,060 USD
View
B
Retailer 8
-
$1,960 NZD
£870 GBP
View
Most Expensive
B
Do Amore Diamonds
27-96CF8914A · Oct 29
$3,407 NZD
$1,920 USD
View
8 more retailers have this diamond
Prices start from $397 NZDSave up to $3,009 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
$397 NZD