Heart|Lab Grown|IGI

1.53ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG840617129

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840617129

Diamond specifications and retailer prices

From $840 USD
As of October 30, 2026
Save $3,480 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,320 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 very-good cut grade and certified by IGI LG840617129 or 840617129. Listed at 13 retailers as of October 30, 2026, with prices from $840 to $4,320, a $3,480 spread on the same certified stone. Brilliant Earth lists it at $4,320. 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
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840617129
Dimensions7.11 × 7.82 × 4.72 mm
L/W Ratio1.10
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
7.11 mm7.82 mm1.53 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840617129
Side View
Table 59.0%Crown 37.6°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 60.4%

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: $4,320 USD|Low: $840 USD|High: $4,910 USD|Avg: $1,961 USD|-12.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 11$840 USD
Retailer 2$988 USD
Retailer 3$1,011 USD
Retailer 4$1,050 USD
Retailer 10$1,248 USD
Retailer 7$1,392 USD
Retailer 6$1,396 USD
Retailer 9$1,601 USD
Retailer 13$2,080 USD
Retailer 5$2,858 USD
Retailer 12$2,931 USD
Retailer 8$3,439 USD
Brilliant Earth$4,320 USD

15 data points across 13 retailers

13 retailers$840 USD to $4,320 USD

A
Cheapest Retailer
-
$840 USD
Final sale: no returns
A
Retailer 2
-
$988 USD
£778 GBP
View
A
Retailer 3
-
$1,011 USD
HK$7,900 HKD
View
A
Retailer 4
-
$1,050 USD
View
B+
Retailer 5
-
$1,248 USD
View
B+
Retailer 6
-
$1,392 USD
€1,326 EUR
View
B+
Retailer 7
-
$1,396 USD
£1,099 GBP
View
B+
Retailer 8
-
$1,601 USD
ZAR 25,865 ZAR
View
B+
Retailer 9
-
$2,080 USD
View
B
Retailer 10
-
$2,858 USD
View
B
Retailer 11
-
$2,931 USD
SGD 3,961 SGD
View
B
Retailer 12
-
$3,439 USD
£2,708 GBP
View
Most Expensive
B
Brilliant Earth
22132475A · Oct 30
$4,320 USD
View
12 more retailers have this diamond
Prices start from $840 USDSave up to $3,480 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
$840 USD