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Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG791637217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791637217

Diamond specifications and retailer prices

From $334 NZD
$188 USD
As of October 30, 2026
Save $1,718 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,052 NZD at Reve Diamonds · As of October 30, 2026
View at Reve 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 LG791637217 or 791637217. Listed at 18 retailers as of October 30, 2026, with prices from $334 to $2,052, a $1,718 spread on the same certified stone. Reve Diamonds lists it at $2,052. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791637217
Dimensions6.48 × 7.56 × 4.44 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm7.56 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791637217
Side View
Table 55.0%Crown 35.6°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 58.7%

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: $1,473 NZD|Low: $334 NZD|High: $2,062 NZD|Avg: $966 NZD|-13.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
October 30, 2026
Retailer 17$334 NZD
Retailer 8$373 NZD
Retailer 14$387 NZD
Retailer 3$415 NZD
Retailer 4$415 NZD
Retailer 16$522 NZD
Retailer 11$712 NZD
Retailer 9$729 NZD
Retailer 10$752 NZD
Retailer 6$791 NZD
Retailer 5$987 NZD
Retailer 12$1,011 NZD
Retailer 2$1,332 NZD
Retailer 15$1,336 NZD
Retailer 7$1,428 NZD
Retailer 1$1,473 NZD
Retailer 13$1,940 NZD
Reve Diamonds$2,052 NZD

37 data points across 18 retailers

18 retailers$334 NZD to $2,052 NZD

A
Cheapest Retailer
-
$334 NZD
$188 USD
A
Retailer 2
-
$373 NZD
$210 USD
View
Final sale: no returns
A
Retailer 3
-
$387 NZD
$218 USD
View
A
Retailer 4
-
$415 NZD
$234 USD
View
A
Retailer 5
-
$415 NZD
$234 USD
View
Retailer 6
-
$522 NZD
£231 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$712 NZD
ZAR 6,479 ZAR
View
A
Retailer 8
-
$729 NZD
$411 USD
View
A
Retailer 9
-
$752 NZD
£334 GBP
View
A
Retailer 10
-
$791 NZD
$446 USD
View
B+
Retailer 11
-
$987 NZD
$556 USD
View
B+
Retailer 12
-
$1,011 NZD
A$877 AUD
View
B+
Retailer 13
-
$1,332 NZD
$751 USD
View
B
Retailer 14
-
$1,336 NZD
$753 USD
View
B
Retailer 15
-
$1,428 NZD
$805 USD
View
B
Retailer 16
-
$1,473 NZD
$830 USD
View
B
Retailer 17
-
$1,940 NZD
£861 GBP
View
Most Expensive
B
Reve Diamonds
B955618CA · Oct 30
$2,052 NZD
$1,156 USD
View
17 more retailers have this diamond
Prices start from $334 NZDSave up to $1,718 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
$334 NZD