Heart|Lab Grown|IGI

1.28ct E VVS2 Heart Lab Grown Diamond

VG • E/VVS2 • IGI LG844684188

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844684188

Diamond specifications and retailer prices

From $257 USD
As of October 30, 2026
Save $932 USD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,189 USD at Reve Diamonds · As of October 30, 2026
View at Reve 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 E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG844684188 or 844684188. Listed at 10 retailers as of October 30, 2026, with prices from $257 to $1,189, a $932 spread on the same certified stone. Reve Diamonds lists it at $1,189. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
E
Color
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844684188
Dimensions6.63 × 7.53 × 4.43 mm
L/W Ratio1.14
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
6.63 mm7.53 mm1.28 ctE / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844684188
Side View
Table 59.0%Crown 36.1°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 58.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $257 USD|Low: $254 USD|High: $1,208 USD|Avg: $608 USD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
October 30, 2026
Retailer 1$257 USD
Retailer 4$302 USD
Retailer 2$428 USD
Retailer 3$451 USD
Retailer 5$519 USD
Retailer 7$621 USD
Retailer 8$818 USD
Retailer 6$845 USD
Reve Diamonds$1,189 USD

10 data points across 9 retailers

10 retailers$257 USD to $1,189 USD

A
Cheapest Retailer
-
$257 USD
Final sale: no returns
A
Retailer 2
-
$302 USD
£238 GBP
View
A
Retailer 3
-
$428 USD
View
A
Retailer 4
-
$451 USD
£355 GBP
View
B+
Retailer 5
-
$519 USD
View
B+
Retailer 6
-
$621 USD
A$955 AUD
View
B
Retailer 7
-
$818 USD
View
B
Retailer 8
-
$845 USD
View
B
Retailer 9
-
$1,010 USD
View
Most Expensive
B
Reve Diamonds
F81D7F042 · Oct 30
$1,189 USD
View
9 more retailers have this diamond
Prices start from $257 USDSave up to $932 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
$257 USD