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Heart|Lab Grown|IGI

1.28ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG665409677

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665409677

Diamond specifications and retailer prices

From €210 EUR
$235 USD
As of October 30, 2026
Save €959 EUR (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,170 EUR at Reve Diamonds · As of November 1, 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 LG665409677 or 665409677. Listed at 21 retailers as of October 30, 2026, with prices from €210 to €1,170, a €959 spread on the same certified stone. Reve Diamonds lists it at €1,170. 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 angle36.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409677
Dimensions6.79 × 7.52 × 4.44 mm
L/W Ratio1.11
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
6.79 mm7.52 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409677
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.0%

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: Oct 30
Current: €1,047 EUR|Low: €201 EUR|High: €1,170 EUR|Avg: €555 EUR|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
November 1, 2026
Retailer 3€210 EUR
Retailer 16€235 EUR
Retailer 11€244 EUR
Retailer 7€261 EUR
Retailer 9€261 EUR
Retailer 2€441 EUR
Retailer 8€441 EUR
Retailer 13€445 EUR
Retailer 17€449 EUR
Retailer 5€478 EUR
Retailer 12€494 EUR
Retailer 14€522 EUR
Retailer 18€638 EUR
Retailer 6€687 EUR
Retailer 19€717 EUR
Retailer 15€770 EUR
Retailer 4€840 EUR
Retailer 10€887 EUR
Retailer 1€1,047 EUR
Reve Diamonds€1,170 EUR

37 data points across 20 retailers

21 retailers€210 EUR to €1,170 EUR

A
Cheapest Retailer
-
€210 EUR
$235 USD
A
Retailer 2
-
€235 EUR
$263 USD
View
Final sale: no returns
A
Retailer 3
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€244 EUR
$273 USD
View
A
Retailer 4
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€261 EUR
$292 USD
View
A
Retailer 5
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€261 EUR
$292 USD
View
B+
Retailer 6
-
€441 EUR
$493 USD
View
B+
Retailer 7
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€441 EUR
$493 USD
View
B+
Retailer 8
-
€445 EUR
View
B+
Retailer 9
-
€449 EUR
ZAR 8,104 ZAR
View
B+
Retailer 10
-
€478 EUR
$534 USD
View
B+
Retailer 11
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€494 EUR
£434 GBP
View
B+
Retailer 12
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€522 EUR
A$898 AUD
View
B+
Retailer 13
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€638 EUR
A$1,096 AUD
View
B
Retailer 14
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€687 EUR
$768 USD
View
B+
Retailer 15
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€717 EUR
A$1,232 AUD
View
B
Retailer 16
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€770 EUR
$860 USD
View
B
Retailer 17
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€840 EUR
$939 USD
View
B
Retailer 18
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€887 EUR
$991 USD
View
B
Retailer 19
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€952 EUR
$1,064 USD
View
B
Retailer 20
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€1,047 EUR
£921 GBP
View
Most Expensive
B
Reve Diamonds
C3FB009FE · Nov 1
€1,170 EUR
$1,307 USD
View
20 more retailers have this diamond
Prices start from €210 EURSave up to €959 EUR

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
€210 EUR