Heart|Lab Grown|IGI

3.09ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG823673551

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823673551

Diamond specifications and retailer prices

From $1,418 USD
As of October 31, 2026
Save $8,942 USD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,360 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown heart diamond

This 3.09ct 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 LG823673551 or 823673551. Listed at 11 retailers as of October 31, 2026, with prices from $1,418 to $10,360, a $8,942 spread on the same certified stone. Do Amore Diamonds lists it at $10,360. 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

3.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823673551
Dimensions10.10 × 9.04 × 5.80 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
10.10 mm9.04 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823673551
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
A+
Exceptional
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: $10,360 USD|Low: $1,211 USD|High: $12,440 USD|Avg: $4,065 USD|+6.0%
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
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 7$1,211 USD
Retailer 3$1,418 USD
Retailer 11$1,545 USD
Retailer 8$1,777 USD
Retailer 13$1,972 USD
Retailer 15$1,990 USD
Retailer 14$2,608 USD
Retailer 4$2,667 USD
Retailer 5$3,146 USD
Retailer 9$3,372 USD
Retailer 12$4,100 USD
Retailer 2$4,797 USD
Retailer 6$6,577 USD
Retailer 10$8,960 USD
Do Amore Diamonds$10,360 USD

22 data points across 15 retailers

11 retailers$1,418 USD to $10,360 USD

A+
Cheapest Retailer
-
$1,418 USD
Final sale: no returns
A
Retailer 2
-
$1,545 USD
View
A
Retailer 3
-
$1,777 USD
£1,399 GBP
View
A
Retailer 4
-
$1,972 USD
View
A
Retailer 5
-
$1,990 USD
View
A
Retailer 6
-
$2,608 USD
View
A
Retailer 7
-
$3,372 USD
A$5,187 AUD
View
B+
Retailer 8
-
$4,100 USD
View
B+
Retailer 9
-
$4,797 USD
£3,777 GBP
View
B+
Retailer 10
-
$8,960 USD
View
Most Expensive
B
Do Amore Diamonds
27-85C6602FC · Nov 1
$10,360 USD
View
10 more retailers have this diamond
Prices start from $1,418 USDSave up to $8,942 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+
3.09ct Heart
$1,418 USD