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 $1,681 USD
As of October 31, 2026
Save $4,147 USD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,828 USD 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 $1,681 to $5,828, a $4,147 spread on the same certified stone. Michael Trio lists it at $5,828. 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: $5,828 USD|Low: $1,681 USD|High: $6,368 USD|Avg: $4,003 USD|-8.5%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$1,681 USD
Retailer 3$2,205 USD
Retailer 2$2,460 USD
Retailer 6$4,659 USD
Retailer 4$5,003 USD
Michael Trio$5,828 USD

32 data points across 6 retailers

6 retailers$1,681 USD to $5,828 USD

A
Cheapest Retailer
-
$1,681 USD
Final sale: no returns
A
Retailer 2
-
$2,205 USD
View
A
Retailer 3
-
$2,460 USD
£1,937 GBP
View
B+
Retailer 4
-
$4,659 USD
View
B+
Retailer 5
-
$5,003 USD
£3,939 GBP
View
Most Expensive
B+
Michael Trio
1355529298 · Oct 31
$5,828 USD
SGD 7,875 SGD
View
5 more retailers have this diamond
Prices start from $1,681 USDSave up to $4,147 USD

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
$1,681 USD