Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG778695927

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778695927

Diamond specifications and retailer prices

From $289 USD
As of October 30, 2026
Save $3,282 USD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,571 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778695927 or 778695927. Listed at 17 retailers as of October 30, 2026, with prices from $289 to $3,571, a $3,282 spread on the same certified stone. Diamond Quarter lists it at $3,571. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778695927
Dimensions8.15 × 7.12 × 4.47 mm
L/W Ratio1.14
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
8.15 mm7.12 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778695927
Side View
Table 56.0%Crown 29.3°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 54.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $418 USD|Low: $289 USD|High: $3,380 USD|Avg: $1,140 USD|-25.1%
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 7$289 USD
Retailer 3$328 USD
Retailer 18$335 USD
Retailer 1$418 USD
Retailer 11$445 USD
Retailer 2$450 USD
Retailer 17$481 USD
Retailer 15$619 USD
Retailer 10$720 USD
Retailer 9$759 USD
Retailer 14$922 USD
Retailer 12$1,101 USD
Retailer 5$1,272 USD
Retailer 6$1,403 USD
Retailer 16$1,594 USD
Retailer 4$2,570 USD
Retailer 13$2,780 USD
Retailer 8$2,792 USD

26 data points across 18 retailers

17 retailers$289 USD to $3,571 USD

A
Cheapest Retailer
-
$289 USD
A
Retailer 2
-
$328 USD
View
Final sale: no returns
A
Retailer 3
-
$335 USD
View
A
Retailer 4
-
$418 USD
£329 GBP
View
A
Retailer 5
-
$445 USD
View
A
Retailer 6
-
$450 USD
View
A
Retailer 7
-
$481 USD
View
A
Retailer 8
-
$619 USD
View
A
Retailer 9
-
$922 USD
A$1,419 AUD
View
A
Retailer 10
-
$1,101 USD
View
B+
Retailer 11
-
$1,272 USD
View
B+
Retailer 12
-
$1,403 USD
View
B+
Retailer 13
-
$1,594 USD
£1,255 GBP
View
B
Retailer 14
-
$2,570 USD
View
B
Retailer 15
-
$2,780 USD
View
B
Retailer 16
-
$2,792 USD
View
Most Expensive
B
Diamond Quarter
1.53IFDLG50095EN · Oct 31
$3,571 USD
£2,812 GBP
View
16 more retailers have this diamond
Prices start from $289 USDSave up to $3,282 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
$289 USD