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Heart|Lab Grown|IGI

1.28ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG779643406

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG779643406

Diamond specifications and retailer prices

From $175 USD
As of October 30, 2026
Save $939 USD (84%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $1,114 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779643406 or 779643406. Listed at 33 retailers as of October 30, 2026, with prices from $175 to $1,114, a $939 spread on the same certified stone. Reve Diamonds lists it at $1,114. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643406
Dimensions6.04 × 7.04 × 4.03 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.04 mm7.04 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643406
Side View
Table 67.0%Crown 33.7°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 57.2%

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: Oct 30
Current: $736 USD|Low: $190 USD|High: $1,132 USD|Avg: $553 USD|+7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 31, 2026
Retailer 8$195 USD
Retailer 4$214 USD
Retailer 5$222 USD
Retailer 12$364 USD
Retailer 9$386 USD
Retailer 11$386 USD
Retailer 6$468 USD
Retailer 7$471 USD
Retailer 2$517 USD
Retailer 3$689 USD
Retailer 1$736 USD
Retailer 10$752 USD
Retailer 13$993 USD
Reve Diamonds$1,114 USD

40 data points across 14 retailers

33 retailers$175 USD to $1,114 USD

Retailer 1
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$171 USD
Price last confirmed 7 days ago
Retailer 2
-
$173 USD
View
Price last confirmed 28 days ago
Retailer 3
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$173 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$175 USD
View
Retailer 5
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$179 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$181 USD
View
Price last confirmed 22 days ago
A
Retailer 7
-
$195 USD
View
Final sale: no returns
A
Retailer 8
-
$198 USD
View
A
Retailer 9
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$212 USD
View
Retailer 10
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$214 USD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$217 USD
View
Retailer 12
-
$221 USD
View
Price last confirmed 30 days ago
Retailer 13
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$222 USD
View
Price last confirmed 20 days ago
Retailer 14
-
$222 USD
View
Price last confirmed 15 days ago
Retailer 15
-
$222 USD
View
Price last confirmed 19 days ago
Retailer 16
-
$224 USD
View
Price last confirmed 22 days ago
Retailer 17
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$224 USD
View
Price last confirmed 26 days ago
A
Retailer 18
-
$364 USD
ZAR 5,882 ZAR
View
A
Retailer 19
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$386 USD
View
A
Retailer 20
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$386 USD
£304 GBP
View
A
Retailer 21
-
$468 USD
View
A
Retailer 22
-
$471 USD
View
B+
Retailer 23
-
$517 USD
A$795 AUD
View
Retailer 24
-
$682 USD
View
Price last confirmed 8 days ago
Retailer 25
-
$689 USD
View
Price last confirmed 11 days ago
Retailer 26
-
$713 USD
View
Price last confirmed 20 days ago
Retailer 27
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$720 USD
View
Price last confirmed 23 days ago
Retailer 28
-
$720 USD
View
Price last confirmed 30 days ago
Retailer 29
-
$720 USD
View
Price last confirmed 26 days ago
B+
Retailer 30
-
$736 USD
View
B+
Retailer 31
-
$752 USD
View
B
Retailer 32
-
$993 USD
£782 GBP
View
Most Expensive
B
Reve Diamonds
DB45132C0 · Oct 30
$1,114 USD
View
32 more retailers have this diamond
Prices start from $175 USDSave up to $939 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
$175 USD