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Heart|Lab Grown|IGI

20.06ct F SI2 Heart Lab Grown Diamond

ID • F/SI2 • IGI LG720570592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG720570592

Diamond specifications and retailer prices

From €9,694 EUR
£8,527 GBP
As of October 30, 2026
Save €10,699 EUR (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €20,393 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 20.06ct lab-grown heart diamond

This 20.06ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG720570592 or 720570592. Listed at 12 retailers as of October 30, 2026, with prices from €9,694 to €20,393, a €10,699 spread on the same certified stone. Adiamor lists it at €20,393. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

20.06
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720570592
Dimensions18.47 × 15.99 × 11.19 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.47 mm15.99 mm20.06 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720570592
Side View
Table 60.0%Crown 37.6°Girdle: THK-VTKPavilion 38°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €20,393 EUR|Low: €9,661 EUR|High: €20,393 EUR|Avg: €13,180 EUR
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 6€9,694 EUR
Retailer 10€10,373 EUR
Retailer 9€10,789 EUR
Retailer 4€11,034 EUR
Retailer 8€11,277 EUR
Retailer 13€11,617 EUR
Retailer 11€11,951 EUR
Retailer 3€12,034 EUR
Retailer 7€12,034 EUR
Retailer 12€12,834 EUR
Retailer 2€13,948 EUR
Retailer 5€19,843 EUR
Adiamor€20,393 EUR

30 data points across 13 retailers

12 retailers€9,694 EUR to €20,393 EUR

B+
Cheapest Retailer
-
€9,694 EUR
£8,527 GBP
B
Retailer 2
-
€10,373 EUR
$11,589 USD
View
B
Retailer 3
-
€10,789 EUR
$12,053 USD
View
B
Retailer 4
-
€11,034 EUR
$12,327 USD
View
B
Retailer 5
-
€11,277 EUR
$12,599 USD
View
B
Retailer 6
-
€11,617 EUR
$12,979 USD
View
Final sale: no returns
B
Retailer 7
-
€11,951 EUR
$13,352 USD
View
B
Retailer 8
-
€12,034 EUR
$13,444 USD
View
Retailer 9
-
€12,034 EUR
$13,444 USD
View
Price last confirmed 20 days ago
Retailer 10
-
€12,834 EUR
$14,338 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
€13,948 EUR
£12,270 GBP
View
Most Expensive
B
Adiamor
D-69322984 · Oct 31
€20,393 EUR
$22,783 USD
View
11 more retailers have this diamond
Prices start from €9,694 EURSave up to €10,699 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.

B+
20.06ct Heart
€9,694 EUR