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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG799647327

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799647327

Diamond specifications and retailer prices

From $303 USD
As of October 30, 2026
Save $2,487 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,790 USD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799647327 or 799647327. Listed at 22 retailers as of October 30, 2026, with prices from $303 to $2,790, a $2,487 spread on the same certified stone. Brilliant Earth lists it at $2,790. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647327
Dimensions8.15 × 7.32 × 4.40 mm
L/W Ratio1.11
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
8.15 mm7.32 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647327
Side View
Table 58.0%Crown 34.2°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 54.0%

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: $2,790 USD|Low: $303 USD|High: $3,190 USD|Avg: $914 USD|-12.5%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 15
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Retailer 19
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Retailer 21
November 2, 2026
Retailer 7$303 USD
Retailer 9$339 USD
Retailer 20$351 USD
Retailer 5$376 USD
Retailer 12$376 USD
Retailer 15$397 USD
Retailer 19$530 USD
Retailer 10$613 USD
Retailer 4$635 USD
Retailer 13$648 USD
Retailer 2$667 USD
Retailer 18$876 USD
Retailer 6$1,034 USD
Retailer 16$1,154 USD
Retailer 14$1,207 USD
Retailer 3$1,233 USD
Retailer 11$1,250 USD
Retailer 8$1,254 USD
Retailer 21$1,377 USD
Retailer 17$1,513 USD
Brilliant Earth$2,790 USD

31 data points across 21 retailers

22 retailers$303 USD to $2,790 USD

A
Cheapest Retailer
-
$303 USD
A
Retailer 2
-
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$351 USD
View
A
Retailer 4
-
$376 USD
View
Retailer 5
-
$376 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$397 USD
£313 GBP
View
A
Retailer 7
-
$530 USD
View
A
Retailer 8
-
$613 USD
View
A
Retailer 9
-
$635 USD
View
A
Retailer 10
-
$648 USD
ZAR 10,461 ZAR
View
A
Retailer 11
-
$667 USD
£525 GBP
View
A
Retailer 12
-
$876 USD
A$1,347 AUD
View
A
Retailer 13
-
$1,034 USD
View
B+
Retailer 14
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$1,154 USD
View
B+
Retailer 15
-
$1,207 USD
View
B+
Retailer 16
-
$1,233 USD
View
B+
Retailer 17
-
$1,250 USD
SGD 1,689 SGD
View
B+
Retailer 18
-
$1,254 USD
View
B+
Retailer 19
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$1,326 USD
View
B+
Retailer 20
-
$1,377 USD
View
B+
Retailer 21
-
$1,513 USD
£1,191 GBP
View
Most Expensive
B
Brilliant Earth
21420892A · Oct 31
$2,790 USD
View
21 more retailers have this diamond
Prices start from $303 USDSave up to $2,487 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
$303 USD