Heart|Lab Grown|IGI

1.53ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG830620125

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830620125

Diamond specifications and retailer prices

From $769 USD
As of October 29, 2026
Save $2,911 USD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,680 USD at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620125 or 830620125. Listed at 11 retailers as of October 29, 2026, with prices from $769 to $3,680, a $2,911 spread on the same certified stone. Brilliant Earth lists it at $3,680. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620125
Dimensions7.04 × 7.94 × 4.68 mm
L/W Ratio1.13
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
7.04 mm7.94 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620125
Side View
Table 57.0%Crown 36.8°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.9%

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 29
Current: $3,680 USD|Low: $769 USD|High: $3,680 USD|Avg: $1,808 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$769 USD
Retailer 10$838 USD
Retailer 2$872 USD
Retailer 8$1,157 USD
Retailer 5$1,227 USD
Retailer 4$1,253 USD
Retailer 3$2,532 USD
Retailer 7$2,653 USD
Retailer 11$3,013 USD
Retailer 6$3,201 USD
Brilliant Earth$3,680 USD

2 data points across 11 retailers

11 retailers$769 USD to $3,680 USD

A
Cheapest Retailer
-
$769 USD
A
Retailer 2
-
$838 USD
View
Final sale: no returns
A
Retailer 3
-
$872 USD
£687 GBP
View
B+
Retailer 4
-
$1,157 USD
View
B+
Retailer 5
-
$1,227 USD
£966 GBP
View
B+
Retailer 6
-
$1,253 USD
View
B
Retailer 7
-
$2,532 USD
View
B
Retailer 8
-
$2,653 USD
View
B
Retailer 9
-
$3,013 USD
SGD 4,071 SGD
View
B
Retailer 10
-
$3,201 USD
View
Most Expensive
B
Brilliant Earth
22348757A · Oct 30
$3,680 USD
View
10 more retailers have this diamond
Prices start from $769 USDSave up to $2,911 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
$769 USD