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Heart|Lab Grown|IGI

4.29ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG800677281

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800677281

Diamond specifications and retailer prices

From $4,171 USD
As of October 27, 2026
Save $24,529 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $28,700 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.29ct lab-grown heart diamond

This 4.29ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800677281 or 800677281. Listed at 12 retailers as of October 27, 2026, with prices from $4,171 to $28,700, a $24,529 spread on the same certified stone. Do Amore Diamonds lists it at $28,700. 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

4.29
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677281
Dimensions11.11 × 9.70 × 6.69 mm
L/W Ratio1.15
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
11.11 mm9.70 mm4.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677281
Side View
Table 59.0%Crown 36.7°Girdle: THK-VTKPavilion 40.3°Culet: NoneDepth 60.2%

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 27
Current: $28,700 USD|Low: $4,171 USD|High: $32,150 USD|Avg: $12,437 USD|-10.7%
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
October 29, 2026
Retailer 8$4,171 USD
Retailer 14$4,371 USD
Retailer 10$4,499 USD
Retailer 13$4,890 USD
Retailer 15$4,909 USD
Retailer 4$5,496 USD
Retailer 11$6,296 USD
Retailer 12$6,674 USD
Retailer 9$7,491 USD
Retailer 5$10,490 USD
Retailer 2$11,118 USD
Retailer 6$16,048 USD
Retailer 3$22,730 USD
Retailer 7$24,355 USD
Do Amore Diamonds$28,700 USD

23 data points across 15 retailers

12 retailers$4,171 USD to $28,700 USD

A+
Cheapest Retailer
-
$4,171 USD
A
Retailer 2
-
$4,371 USD
View
A
Retailer 3
-
$4,499 USD
View
A
Retailer 4
-
$4,890 USD
View
A
Retailer 5
-
$4,909 USD
View
A
Retailer 6
-
$5,496 USD
View
Final sale: no returns
A
Retailer 7
-
$6,296 USD
View
A
Retailer 8
-
$6,674 USD
View
A
Retailer 9
-
$7,491 USD
View
B+
Retailer 10
-
$11,118 USD
£8,754 GBP
View
B
Retailer 11
-
$22,730 USD
View
Most Expensive
B
Do Amore Diamonds
27-C03A24A2E · Oct 30
$28,700 USD
View
11 more retailers have this diamond
Prices start from $4,171 USDSave up to $24,529 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+
4.29ct Heart
$4,171 USD