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Heart|Lab Grown|IGI

1.77ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818659447

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818659447

Diamond specifications and retailer prices

From €1,156 EUR
$1,291 USD
As of November 1, 2026
Save €4,278 EUR (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €5,433 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.77ct lab-grown heart diamond

This 1.77ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659447 or 818659447. Listed at 6 retailers as of October 31, 2026, with prices from €1,156 to €5,433, a €4,278 spread on the same certified stone. Do Amore Diamonds lists it at €5,433. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659447
Dimensions8.38 × 7.45 × 4.88 mm
L/W Ratio1.12
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
8.38 mm7.45 mm1.77 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659447
Side View
Table 57.0%Crown 36.6°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 58.2%

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 1
Current: €5,433 EUR|Low: €688 EUR|High: €5,684 EUR|Avg: €2,395 EUR|-4.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10€688 EUR
Retailer 7€1,156 EUR
Retailer 5€1,159 EUR
Retailer 11€1,404 EUR
Retailer 8€1,535 EUR
Retailer 6€1,696 EUR
Retailer 9€1,772 EUR
Retailer 4€3,093 EUR
Retailer 3€3,482 EUR
Retailer 2€3,724 EUR
Do Amore Diamonds€5,433 EUR

13 data points across 11 retailers

6 retailers€1,156 EUR to €5,433 EUR

A
Cheapest Retailer
-
€1,156 EUR
$1,291 USD
A
Retailer 2
-
€1,159 EUR
$1,295 USD
View
B+
Retailer 3
-
€1,696 EUR
$1,895 USD
View
B+
Retailer 4
-
€3,093 EUR
£2,721 GBP
View
B
Retailer 5
-
€3,724 EUR
$4,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-8E6BA3D03 · Oct 31
€5,433 EUR
$6,070 USD
View
5 more retailers have this diamond
Prices start from €1,156 EURSave up to €4,278 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
1.77ct Heart
€1,156 EUR