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Heart|Lab Grown|IGI

1.57ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG780648121

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780648121

Diamond specifications and retailer prices

From $320 USD
As of October 30, 2026
Save $2,820 USD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,140 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780648121 or 780648121. Listed at 23 retailers as of October 30, 2026, with prices from $320 to $3,140, a $2,820 spread on the same certified stone. Do Amore Diamonds lists it at $3,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780648121
Dimensions7.02 × 7.92 × 4.88 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
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
7.02 mm7.92 mm1.57 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780648121
Side View
Table 60.0%Crown 38.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: $1,709 USD|Low: $307 USD|High: $1,730 USD|Avg: $815 USD|-1.0%
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
November 1, 2026
Retailer 2$320 USD
Retailer 6$357 USD
Retailer 3$396 USD
Retailer 8$487 USD
Retailer 7$528 USD
Retailer 15$550 USD
Retailer 5$731 USD
Retailer 12$740 USD
Retailer 13$752 USD
Retailer 9$787 USD
Retailer 11$1,015 USD
Retailer 14$1,162 USD
Retailer 10$1,165 USD
Retailer 4$1,522 USD
Retailer 1$1,709 USD

43 data points across 15 retailers

23 retailers$320 USD to $3,140 USD

A
Cheapest Retailer
-
$320 USD
A
Retailer 2
-
$357 USD
View
Final sale: no returns
A
Retailer 3
-
$371 USD
View
A
Retailer 4
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$396 USD
View
Retailer 5
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$396 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$452 USD
View
A
Retailer 7
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$487 USD
£383 GBP
View
A
Retailer 8
-
$528 USD
View
A
Retailer 9
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$550 USD
View
B+
Retailer 10
-
$731 USD
View
B+
Retailer 11
-
$740 USD
A$1,138 AUD
View
B+
Retailer 12
-
$752 USD
ZAR 12,141 ZAR
View
B+
Retailer 13
-
$787 USD
£620 GBP
View
B+
Retailer 14
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$1,015 USD
A$1,561 AUD
View
B
Retailer 15
-
$1,162 USD
View
B+
Retailer 16
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$1,165 USD
A$1,793 AUD
View
B
Retailer 17
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$1,406 USD
View
B
Retailer 18
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$1,522 USD
View
B
Retailer 19
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$1,564 USD
View
B
Retailer 20
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$1,570 USD
View
B
Retailer 21
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$1,709 USD
£1,346 GBP
View
B
Retailer 22
-
$2,840 USD
View
Most Expensive
B
Do Amore Diamonds
23-780648121 · Oct 31
$3,140 USD
View
22 more retailers have this diamond
Prices start from $320 USDSave up to $2,820 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
1.57ct Heart
$320 USD