CaratHunter
Plans
Heart|Lab Grown|IGI

3.10ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG825660975

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825660975

Diamond specifications and retailer prices

From €1,505 EUR
$1,681 USD
As of October 31, 2026
Save €3,711 EUR (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €5,216 EUR at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 3.1ct lab-grown heart diamond

This 3.1ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660975 or 825660975. Listed at 6 retailers as of October 31, 2026, with prices from €1,505 to €5,216, a €3,711 spread on the same certified stone. Michael Trio lists it at €5,216. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660975
Dimensions8.92 × 9.94 × 6.00 mm
L/W Ratio1.11
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
8.92 mm9.94 mm3.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660975
Side View
Table 55.0%Crown 36.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 60.4%

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: Oct 31
Current: €5,216 EUR|Low: €1,505 EUR|High: €5,700 EUR|Avg: €3,583 EUR|-8.5%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5€1,505 EUR
Retailer 4€1,974 EUR
Retailer 3€2,202 EUR
Retailer 6€4,170 EUR
Retailer 2€4,454 EUR
Michael Trio€5,216 EUR

32 data points across 6 retailers

6 retailers€1,505 EUR to €5,216 EUR

A
Cheapest Retailer
-
€1,505 EUR
$1,681 USD
Final sale: no returns
A
Retailer 2
-
€1,974 EUR
$2,205 USD
View
A
Retailer 3
-
€2,202 EUR
£1,937 GBP
View
B+
Retailer 4
-
€4,170 EUR
$4,659 USD
View
B+
Retailer 5
-
€4,454 EUR
£3,918 GBP
View
Most Expensive
B+
Michael Trio
1355529298 · Oct 31
€5,216 EUR
SGD 7,875 SGD
View
5 more retailers have this diamond
Prices start from €1,505 EURSave up to €3,711 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
3.10ct Heart
€1,505 EUR