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Heart|Lab Grown|IGI

1.28ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681475

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681475

Diamond specifications and retailer prices

From €281 EUR
As of November 4, 2026
Save €2,213 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,494 EUR 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818681475 or 818681475. Listed at 11 retailers as of November 4, 2026, with prices from €281 to €2,494, a €2,213 spread on the same certified stone. Do Amore Diamonds lists it at €2,494. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681475
Dimensions6.51 × 7.59 × 4.46 mm
L/W Ratio1.17
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
6.51 mm7.59 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681475
Side View
Table 58.0%Crown 32.2°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €2,494 EUR|Low: €281 EUR|High: €3,666 EUR|Avg: €1,297 EUR|-32.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 6€281 EUR
Retailer 10€327 EUR
Retailer 11€515 EUR
Retailer 8€565 EUR
Retailer 3€618 EUR
Retailer 12€864 EUR
Retailer 7€1,022 EUR
Retailer 9€1,237 EUR
Retailer 2€1,504 EUR
Retailer 5€2,334 EUR
Retailer 4€2,341 EUR
Do Amore Diamonds€2,494 EUR

23 data points across 12 retailers

11 retailers€281 EUR to €2,494 EUR

A
Cheapest Retailer
-
€281 EUR
A
Retailer 2
-
€327 EUR
View
A
Retailer 3
-
€515 EUR
View
A
Retailer 4
-
€565 EUR
View
A
Retailer 5
-
€618 EUR
View
B+
Retailer 6
-
€864 EUR
View
B+
Retailer 7
-
€1,022 EUR
View
B+
Retailer 8
-
€1,237 EUR
View
B+
Retailer 9
-
€1,504 EUR
View
B
Retailer 10
-
€2,334 EUR
View
Most Expensive
B
Do Amore Diamonds
27-396AFF3E3 · Nov 4
€2,494 EUR
$2,810 USD
View
10 more retailers have this diamond
Prices start from €281 EURSave up to €2,213 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
€281 EUR