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Heart|Lab Grown|IGI

1.73ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG630464029

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG630464029

Diamond specifications and retailer prices

From $272 USD
As of October 30, 2026
Save $1,089 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,361 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown heart diamond

This 1.73ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG630464029 or 630464029. Listed at 14 retailers as of October 29, 2026, with prices from $272 to $1,361, a $1,089 spread on the same certified stone. MOH London lists it at $1,361. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630464029
Dimensions7.24 × 8.52 × 4.85 mm
L/W Ratio1.18
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
7.24 mm8.52 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630464029
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 56.9%

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 30
Current: $1,361 USD|Low: $209 USD|High: $1,370 USD|Avg: $660 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$272 USD
Retailer 8$305 USD
Retailer 6$455 USD
Retailer 4$495 USD
Retailer 3$528 USD
Retailer 2$594 USD
Retailer 11$606 USD
Retailer 9$608 USD
Retailer 5$830 USD
Retailer 10$1,137 USD
MOH London$1,361 USD

39 data points across 11 retailers

14 retailers$272 USD to $1,361 USD

A
Cheapest Retailer
-
$272 USD
A
Retailer 2
-
$305 USD
View
Final sale: no returns
A
Retailer 3
-
$316 USD
View
A
Retailer 4
-
$338 USD
View
Retailer 5
-
$338 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$455 USD
View
A
Retailer 7
-
$495 USD
View
B+
Retailer 8
-
$594 USD
£468 GBP
View
B+
Retailer 9
-
$606 USD
View
B+
Retailer 10
-
$608 USD
View
B+
Retailer 11
-
$830 USD
View
B
Retailer 12
-
$1,086 USD
View
B
Retailer 13
-
$1,137 USD
View
Most Expensive
B
MOH London
LG630464029 · Oct 29
$1,361 USD
£1,072 GBP
View
13 more retailers have this diamond
Prices start from $272 USDSave up to $1,089 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
1.73ct Heart
$272 USD