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Heart|Lab Grown|IGI

1.53ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG528236792

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG528236792

Diamond specifications and retailer prices

From $241 USD
As of October 27, 2026
Save $1,489 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,730 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG528236792 or 528236792. Listed at 18 retailers as of October 27, 2026, with prices from $241 to $1,730, a $1,489 spread on the same certified stone. Brilliant Earth lists it at $1,730. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.53
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528236792
Dimensions7.83 × 7.12 × 4.63 mm
L/W Ratio1.10
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
7.83 mm7.12 mm1.53 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528236792
Side View
Table 52.5%Crown 34.6°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 59.1%

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: $1,730 USD|Low: $231 USD|High: $1,730 USD|Avg: $646 USD
Brilliant Earth
Retailer 2
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Retailer 18
October 29, 2026
Retailer 16$241 USD
Retailer 3$269 USD
Retailer 5$279 USD
Retailer 8$298 USD
Retailer 17$298 USD
Retailer 12$384 USD
Retailer 7$402 USD
Retailer 6$478 USD
Retailer 11$481 USD
Retailer 9$550 USD
Retailer 2$563 USD
Retailer 14$584 USD
Retailer 18$959 USD
Retailer 15$962 USD
Retailer 10$1,011 USD
Retailer 13$1,196 USD
Retailer 4$1,323 USD
Brilliant Earth$1,730 USD

38 data points across 18 retailers

18 retailers$241 USD to $1,730 USD

A
Cheapest Retailer
-
$241 USD
A
Retailer 2
-
$269 USD
View
Final sale: no returns
A
Retailer 3
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$279 USD
View
A
Retailer 4
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$298 USD
View
A
Retailer 5
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$298 USD
View
A
Retailer 6
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$384 USD
£302 GBP
View
B+
Retailer 7
-
$402 USD
View
B+
Retailer 8
-
$478 USD
View
B+
Retailer 9
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$481 USD
€458 EUR
View
B+
Retailer 10
-
$550 USD
View
B+
Retailer 11
-
$563 USD
£443 GBP
View
B+
Retailer 12
-
$584 USD
A$898 AUD
View
B
Retailer 13
-
$959 USD
View
B
Retailer 14
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$962 USD
View
B
Retailer 15
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$1,011 USD
View
B
Retailer 16
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$1,196 USD
£942 GBP
View
B
Retailer 17
-
$1,323 USD
View
Most Expensive
B
Brilliant Earth
16031682A · Oct 28
$1,730 USD
View
17 more retailers have this diamond
Prices start from $241 USDSave up to $1,489 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
1.53ct Heart
$241 USD