Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836619671

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836619671

Diamond specifications and retailer prices

From $317 SGD
As of November 4, 2026
Save $2,405 SGD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,722 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836619671 or 836619671. Listed at 10 retailers as of November 4, 2026, with prices from $317 to $2,722, a $2,405 spread on the same certified stone. Do Amore Diamonds lists it at $2,722. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619671
Dimensions7.62 × 6.88 × 4.22 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
7.62 mm6.88 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619671
Side View
Table 63.0%Crown 34.3°Girdle: STK-THKPavilion 38°Culet: NoneDepth 55.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $2,722 SGD|Low: $299 SGD|High: $2,722 SGD|Avg: $921 SGD|+6.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 8$317 SGD
Retailer 2$413 SGD
Retailer 9$434 SGD
Retailer 4$450 SGD
Retailer 5$592 SGD
Retailer 6$948 SGD
Retailer 3$965 SGD
Retailer 7$1,551 SGD
Do Amore Diamonds$2,722 SGD

15 data points across 9 retailers

10 retailers$317 SGD to $2,722 SGD

A
Cheapest Retailer
-
$317 SGD
Final sale: no returns
A
Retailer 2
-
$413 SGD
View
A
Retailer 3
-
$434 SGD
View
B+
Retailer 4
-
$450 SGD
View
A
Retailer 5
-
$592 SGD
View
B+
Retailer 6
-
$948 SGD
View
B+
Retailer 7
-
$965 SGD
View
B
Retailer 8
-
$1,551 SGD
View
B
Retailer 9
-
$1,917 SGD
View
Most Expensive
B
Do Amore Diamonds
27-9760E497F · Nov 4
$2,722 SGD
$2,130 USD
View
9 more retailers have this diamond
Prices start from $317 SGDSave up to $2,405 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
$317 SGD