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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 $332 SGD
As of November 4, 2026
Save $1,313 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,645 SGD 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 18 retailers as of November 4, 2026, with prices from $332 to $1,645, a $1,313 spread on the same certified stone. MOH London lists it at $1,645. 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
Colour
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

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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: $1,645 SGD|Low: $319 SGD|High: $1,669 SGD|Avg: $787 SGD|-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$332 SGD
Retailer 10$372 SGD
Retailer 7$411 SGD
Retailer 3$613 SGD
Retailer 8$686 SGD
Retailer 9$736 SGD
Retailer 2$778 SGD
Retailer 6$996 SGD
Retailer 4$1,265 SGD
MOH London$1,645 SGD

44 data points across 10 retailers

18 retailers$332 SGD to $1,645 SGD

A
Cheapest Retailer
-
$332 SGD
A
Retailer 2
-
$372 SGD
View
Final sale: no returns
A
Retailer 3
-
$384 SGD
View
A
Retailer 4
-
$411 SGD
View
Retailer 5
-
$411 SGD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$613 SGD
View
Retailer 7
-
$659 SGD
View
Price last confirmed 126 days ago
B+
Retailer 8
-
$660 SGD
View
B+
Retailer 9
-
$686 SGD
View
B+
Retailer 10
-
$736 SGD
View
B+
Retailer 11
-
$778 SGD
View
B
Retailer 12
-
$996 SGD
View
B
Retailer 13
-
$996 SGD
View
B
Retailer 14
-
$1,265 SGD
View
B
Retailer 15
-
$1,323 SGD
View
B
Retailer 16
-
$1,388 SGD
View
B
Retailer 17
-
$1,569 SGD
View
Most Expensive
B
MOH London
LG684503509 · Nov 5
$1,645 SGD
£1,014 GBP
View
17 more retailers have this diamond
Prices start from $332 SGDSave up to $1,313 SGD

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
$332 SGD