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Heart|Lab Grown|IGI

1.28ct F VS2 Heart Lab Grown Diamond

ID • F/VS2 • IGI LG684503509

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG684503509

Diamond specifications and retailer prices

From $260 USD
As of November 4, 2026
Save $1,028 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,288 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG684503509 or 684503509. Listed at 17 retailers as of November 4, 2026, with prices from $260 to $1,288, a $1,028 spread on the same certified stone. MOH London lists it at $1,288. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684503509
Dimensions6.77 × 7.69 × 4.46 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
6.77 mm7.69 mm1.28 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684503509
Side View
Table 59.0%Crown 34.9°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 58.0%

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: Nov 4
Current: $1,288 USD|Low: $250 USD|High: $1,307 USD|Avg: $616 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$260 USD
Retailer 10$291 USD
Retailer 7$322 USD
Retailer 3$480 USD
Retailer 8$537 USD
Retailer 9$576 USD
Retailer 2$609 USD
Retailer 6$780 USD
Retailer 4$990 USD
MOH London$1,288 USD

44 data points across 10 retailers

17 retailers$260 USD to $1,288 USD

A
Cheapest Retailer
-
$260 USD
A
Retailer 2
-
$291 USD
View
Final sale: no returns
A
Retailer 3
-
$301 USD
View
A
Retailer 4
-
$322 USD
View
Retailer 5
-
$322 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$480 USD
View
Retailer 7
-
$516 USD
View
Price last confirmed 126 days ago
B+
Retailer 8
-
$517 USD
View
B+
Retailer 9
-
$537 USD
View
B+
Retailer 10
-
$576 USD
View
B+
Retailer 11
-
$609 USD
View
B
Retailer 12
-
$780 USD
View
B
Retailer 13
-
$990 USD
View
B
Retailer 14
-
$1,036 USD
View
B
Retailer 15
-
$1,087 USD
View
B
Retailer 16
-
$1,228 USD
View
Most Expensive
B
MOH London
LG684503509 · Nov 5
$1,288 USD
£1,014 GBP
View
16 more retailers have this diamond
Prices start from $260 USDSave up to $1,028 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
1.28ct Heart
$260 USD