Heart|Lab Grown|IGI

3.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843670823

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843670823

Diamond specifications and retailer prices

From $1,987 USD
As of October 30, 2026
Save $10,363 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,350 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown heart diamond

This 3.03ct 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 LG843670823 or 843670823. Listed at 14 retailers as of October 29, 2026, with prices from $1,987 to $12,350, a $10,363 spread on the same certified stone. Brilliant Earth lists it at $12,350. 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

3.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670823
Dimensions9.12 × 9.64 × 5.93 mm
L/W Ratio1.06
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
9.12 mm9.64 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670823
Side View
Table 60.0%Crown 36.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: $12,350 USD|Low: $1,987 USD|High: $12,350 USD|Avg: $4,919 USD
Brilliant Earth
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
October 30, 2026
Retailer 9$1,987 USD
Retailer 4$2,162 USD
Retailer 11$2,348 USD
Retailer 13$2,470 USD
Retailer 2$2,751 USD
Retailer 14$3,168 USD
Retailer 3$3,263 USD
Retailer 10$3,608 USD
Retailer 12$3,785 USD
Retailer 7$4,479 USD
Retailer 8$6,618 USD
Retailer 6$7,126 USD
Retailer 5$10,298 USD
Brilliant Earth$12,350 USD

11 data points across 14 retailers

14 retailers$1,987 USD to $12,350 USD

A
Cheapest Retailer
-
$1,987 USD
A
Retailer 2
-
$2,162 USD
View
A
Retailer 3
-
$2,348 USD
View
A
Retailer 4
-
$2,470 USD
View
A
Retailer 5
-
$2,751 USD
£2,166 GBP
View
A
Retailer 6
-
$3,168 USD
View
A
Retailer 7
-
$3,263 USD
View
A
Retailer 8
-
$3,608 USD
View
B+
Retailer 9
-
$3,785 USD
View
B+
Retailer 10
-
$4,479 USD
€4,266 EUR
View
B+
Retailer 11
-
$6,618 USD
£5,211 GBP
View
B
Retailer 12
-
$7,126 USD
View
B
Retailer 13
-
$10,298 USD
View
Most Expensive
B
Brilliant Earth
22254642A · Oct 29
$12,350 USD
View
13 more retailers have this diamond
Prices start from $1,987 USDSave up to $10,363 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
3.03ct Heart
$1,987 USD