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Heart|Lab Grown|IGI

1.09ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG825655925

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825655925

Diamond specifications and retailer prices

From €380 EUR
$424 USD
As of November 1, 2026
Save €2,028 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,408 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG825655925 or 825655925. Listed at 18 retailers as of October 31, 2026, with prices from €380 to €2,408, a €2,028 spread on the same certified stone. Brilliant Earth lists it at €2,408. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655925
Dimensions6.33 × 7.07 × 4.05 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
6.33 mm7.07 mm1.09 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655925
Side View
Table 58.0%Crown 36.1°Girdle: STK-THKPavilion 38°Culet: NoneDepth 57.3%

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: Nov 1
Current: €2,408 EUR|Low: €380 EUR|High: €2,569 EUR|Avg: €1,087 EUR|-6.3%
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
November 1, 2026
Retailer 3€380 EUR
Retailer 2€434 EUR
Retailer 7€555 EUR
Retailer 10€593 EUR
Retailer 12€616 EUR
Retailer 9€725 EUR
Retailer 6€763 EUR
Retailer 13€967 EUR
Retailer 8€1,046 EUR
Retailer 4€1,390 EUR
Retailer 11€1,582 EUR
Retailer 5€1,801 EUR
Brilliant Earth€2,408 EUR

28 data points across 13 retailers

18 retailers€380 EUR to €2,408 EUR

A
Cheapest Retailer
-
€380 EUR
$424 USD
Final sale: no returns
Retailer 2
-
€395 EUR
$441 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
€434 EUR
£382 GBP
View
Retailer 4
-
€440 EUR
$492 USD
View
Price last confirmed 33 days ago
Retailer 5
-
€490 EUR
$547 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€490 EUR
$547 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
€555 EUR
$620 USD
View
B+
Retailer 8
-
€593 EUR
$662 USD
View
B+
Retailer 9
-
€616 EUR
$688 USD
View
B+
Retailer 10
-
€725 EUR
ZAR 13,080 ZAR
View
B+
Retailer 11
-
€763 EUR
£671 GBP
View
B
Retailer 12
-
€967 EUR
$1,080 USD
View
B
Retailer 13
-
€1,046 EUR
$1,169 USD
View
B
Retailer 14
-
€1,390 EUR
$1,553 USD
View
Retailer 15
-
€1,574 EUR
$1,759 USD
View
Price last confirmed 27 days ago
B
Retailer 16
-
€1,582 EUR
$1,768 USD
View
Retailer 17
-
€1,801 EUR
£1,584 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21580599A · Oct 31
€2,408 EUR
$2,690 USD
View
17 more retailers have this diamond
Prices start from €380 EURSave up to €2,028 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
1.09ct Heart
€380 EUR