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Heart|Lab Grown|IGI

1.25ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG734531216

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG734531216

Diamond specifications and retailer prices

From €365 EUR
£321 GBP
As of October 30, 2026
Save €1,926 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,291 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG734531216 or 734531216. Listed at 17 retailers as of October 30, 2026, with prices from €365 to €2,291, a €1,926 spread on the same certified stone. Do Amore Diamonds lists it at €2,291. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734531216
Dimensions6.73 × 7.40 × 4.37 mm
L/W Ratio1.10
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
6.73 mm7.40 mm1.25 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734531216
Side View
Table 62.0%Crown 37.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.1%

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: €2,291 EUR|Low: €221 EUR|High: €2,444 EUR|Avg: €906 EUR|-6.2%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 31, 2026
Retailer 11€221 EUR
Retailer 12€365 EUR
Retailer 4€402 EUR
Retailer 5€427 EUR
Retailer 14€430 EUR
Retailer 2€552 EUR
Retailer 9€571 EUR
Retailer 15€584 EUR
Retailer 8€590 EUR
Retailer 6€714 EUR
Retailer 3€758 EUR
Retailer 16€985 EUR
Retailer 18€1,042 EUR
Retailer 10€1,214 EUR
Retailer 19€1,378 EUR
Retailer 13€1,424 EUR
Retailer 7€1,581 EUR
Retailer 17€1,826 EUR
Do Amore Diamonds€2,291 EUR

33 data points across 19 retailers

17 retailers€365 EUR to €2,291 EUR

Retailer 1
-
€259 EUR
$289 USD
Price last confirmed 16 days ago
A
Retailer 2
-
€365 EUR
£321 GBP
View
A
Retailer 3
-
€402 EUR
$449 USD
View
A
Retailer 4
-
€427 EUR
$477 USD
View
A
Retailer 5
-
€430 EUR
$480 USD
View
A
Retailer 6
-
€552 EUR
View
Retailer 7
-
€584 EUR
$653 USD
View
Price last confirmed 12 days ago
Retailer 8
-
€714 EUR
$798 USD
View
Price last confirmed 19 days ago
B+
Retailer 9
-
€758 EUR
$847 USD
View
B+
Retailer 10
-
€985 EUR
$1,100 USD
View
B+
Retailer 11
-
€1,042 EUR
CA$1,617 CAD
View
B+
Retailer 12
-
€1,137 EUR
$1,270 USD
View
B
Retailer 13
-
€1,378 EUR
$1,540 USD
View
B
Retailer 14
-
€1,424 EUR
£1,253 GBP
View
Retailer 15
-
€1,581 EUR
A$2,717 AUD
View
Price last confirmed 30 days ago
B
Retailer 16
-
€1,826 EUR
$2,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-6D889870D · Oct 31
€2,291 EUR
$2,560 USD
View
16 more retailers have this diamond
Prices start from €365 EURSave up to €1,926 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
1.25ct Heart
€365 EUR