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Heart|Lab Grown|IGI

1.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG804638158

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804638158

Diamond specifications and retailer prices

From $235 USD
As of October 27, 2026
Save $1,071 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,306 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804638158 or 804638158. Listed at 23 retailers as of October 27, 2026, with prices from $235 to $1,306, a $1,071 spread on the same certified stone. Reve Diamonds lists it at $1,306. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804638158
Dimensions7.80 × 7.34 × 4.45 mm
L/W Ratio1.06
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
7.80 mm7.34 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804638158
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 57.1%

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: $500 USD|Low: $224 USD|High: $1,306 USD|Avg: $625 USD|+1.7%
Retailer 1
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Retailer 19
Reve Diamonds
October 29, 2026
Retailer 2$235 USD
Retailer 13$269 USD
Retailer 10$273 USD
Retailer 6$292 USD
Retailer 8$292 USD
Retailer 12$343 USD
Retailer 7$493 USD
Retailer 1$500 USD
Retailer 15$501 USD
Retailer 4$543 USD
Retailer 14$549 USD
Retailer 19$597 USD
Retailer 16$680 USD
Retailer 5$763 USD
Retailer 3$938 USD
Retailer 18$972 USD
Retailer 9$990 USD
Retailer 11$1,105 USD
Retailer 17$1,171 USD
Reve Diamonds$1,306 USD

33 data points across 20 retailers

23 retailers$235 USD to $1,306 USD

A
Cheapest Retailer
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$235 USD
A
Retailer 2
-
$269 USD
View
Final sale: no returns
A
Retailer 3
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$273 USD
View
A
Retailer 4
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$292 USD
View
A
Retailer 5
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$292 USD
View
A
Retailer 6
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$343 USD
£270 GBP
View
A
Retailer 7
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$493 USD
View
A
Retailer 8
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$500 USD
€476 EUR
View
A
Retailer 9
-
$501 USD
ZAR 8,096 ZAR
View
A
Retailer 10
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$515 USD
View
B+
Retailer 11
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$543 USD
View
B+
Retailer 12
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$549 USD
£432 GBP
View
B+
Retailer 13
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$597 USD
A$918 AUD
View
B+
Retailer 14
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$680 USD
A$1,046 AUD
View
B+
Retailer 15
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$763 USD
View
B
Retailer 16
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$936 USD
View
B
Retailer 17
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$938 USD
View
B
Retailer 18
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$972 USD
A$1,496 AUD
View
B
Retailer 19
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$990 USD
View
B
Retailer 20
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$1,105 USD
View
B
Retailer 21
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$1,171 USD
£922 GBP
View
B
Retailer 22
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$1,176 USD
View
Most Expensive
B
Reve Diamonds
21D4637C6 · Oct 28
$1,306 USD
View
22 more retailers have this diamond
Prices start from $235 USDSave up to $1,071 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
1.51ct Heart
$235 USD