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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 $188 USD
As of October 27, 2026
Save $968 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,156 USD at Reve Diamonds · As of October 28, 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 27, 2026, with prices from $188 to $1,156, a $968 spread on the same certified stone. Reve Diamonds lists it at $1,156. 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
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 27
Current: $424 USD|Low: $188 USD|High: $1,162 USD|Avg: $544 USD|+3.5%
Retailer 1
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Retailer 17
Reve Diamonds
October 30, 2026
Retailer 16$188 USD
Retailer 7$210 USD
Retailer 13$218 USD
Retailer 2$234 USD
Retailer 3$234 USD
Retailer 15$294 USD
Retailer 10$401 USD
Retailer 8$411 USD
Retailer 1$424 USD
Retailer 5$446 USD
Retailer 4$556 USD
Retailer 11$570 USD
Retailer 17$751 USD
Retailer 14$753 USD
Retailer 6$805 USD
Retailer 9$910 USD
Retailer 12$1,093 USD
Reve Diamonds$1,156 USD

38 data points across 18 retailers

18 retailers$188 USD to $1,156 USD

A
Cheapest Retailer
-
$188 USD
A
Retailer 2
-
$210 USD
View
Final sale: no returns
A
Retailer 3
-
$218 USD
View
A
Retailer 4
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$234 USD
View
A
Retailer 5
-
$234 USD
View
Retailer 6
-
$294 USD
£231 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
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$401 USD
ZAR 6,479 ZAR
View
A
Retailer 8
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$411 USD
View
A
Retailer 9
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$424 USD
£334 GBP
View
A
Retailer 10
-
$446 USD
View
B+
Retailer 11
-
$556 USD
View
B+
Retailer 12
-
$570 USD
A$877 AUD
View
B+
Retailer 13
-
$751 USD
View
B
Retailer 14
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$753 USD
View
B
Retailer 15
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$805 USD
View
B
Retailer 16
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$910 USD
View
B
Retailer 17
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$1,093 USD
£861 GBP
View
Most Expensive
B
Reve Diamonds
B955618CA · Oct 28
$1,156 USD
View
17 more retailers have this diamond
Prices start from $188 USDSave up to $968 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
$188 USD