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Heart|Lab Grown|IGI

6.29ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811638601

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811638601

Diamond specifications and retailer prices

From €16,019 EUR
$17,967 USD
As of November 1, 2026
Save €32,485 EUR (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €48,504 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.29ct lab-grown heart diamond

This 6.29ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638601 or 811638601. Listed at 16 retailers as of October 31, 2026, with prices from €16,019 to €48,504, a €32,485 spread on the same certified stone. Taylor and Hart lists it at €48,504. 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

6.29
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638601
Dimensions12.83 × 11.69 × 7.22 mm
L/W Ratio1.10
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
12.83 mm11.69 mm6.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638601
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 56.3%

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: Nov 1
Current: €18,955 EUR|Low: €16,019 EUR|High: €78,933 EUR|Avg: €31,901 EUR|-23.3%
Retailer 1
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
Retailer 16
Taylor and Hart
November 2, 2026
Retailer 14€16,019 EUR
Retailer 8€16,151 EUR
Retailer 3€17,682 EUR
Retailer 2€17,824 EUR
Retailer 1€18,955 EUR
Retailer 4€20,275 EUR
Retailer 15€20,511 EUR
Retailer 10€20,974 EUR
Retailer 16€22,789 EUR
Retailer 7€24,595 EUR
Retailer 6€31,116 EUR
Retailer 11€31,486 EUR
Retailer 9€34,617 EUR
Retailer 12€34,964 EUR
Retailer 13€39,692 EUR
Taylor and Hart€48,504 EUR
Retailer 5€72,409 EUR

37 data points across 17 retailers

16 retailers€16,019 EUR to €48,504 EUR

A
Cheapest Retailer
-
€16,019 EUR
$17,967 USD
A
Retailer 2
-
€17,682 EUR
$19,832 USD
View
A
Retailer 3
-
€17,824 EUR
$19,991 USD
View
A
Retailer 4
-
€18,955 EUR
$21,260 USD
View
A
Retailer 5
-
€20,275 EUR
$22,741 USD
View
A
Retailer 6
-
€20,511 EUR
$23,005 USD
View
A
Retailer 7
-
€20,974 EUR
$23,525 USD
View
Final sale: no returns
Retailer 8
-
€22,355 EUR
$25,074 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
€22,789 EUR
$25,560 USD
View
B+
Retailer 10
-
€31,116 EUR
$34,900 USD
View
B+
Retailer 11
-
€31,486 EUR
£27,807 GBP
View
B+
Retailer 12
-
€34,617 EUR
View
B+
Retailer 13
-
€34,964 EUR
$39,216 USD
View
B+
Retailer 14
-
€39,692 EUR
ZAR 719,200 ZAR
View
Most Expensive
B
Taylor and Hart
5IJ2DGZ · Oct 31
€48,504 EUR
$54,402 USD
View
14 more retailers have this diamond
Prices start from €16,019 EURSave up to €32,485 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
6.29ct Heart
€16,019 EUR