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Heart|Lab Grown|IGI

20.49ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG704518235

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG704518235

Diamond specifications and retailer prices

From €10,558 EUR
$11,803 USD
As of November 2, 2026
Save €25,207 EUR (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €35,765 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.49ct lab-grown heart diamond

This 20.49ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG704518235 or 704518235. Listed at 14 retailers as of October 31, 2026, with prices from €10,558 to €35,765, a €25,207 spread on the same certified stone. Taylor and Hart lists it at €35,765. 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

20.49
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704518235
Dimensions16.39 × 18.30 × 11.23 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.39 mm18.30 mm20.49 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704518235
Side View
Table 62.0%Crown 40.1°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 61.4%

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: Nov 2
Current: €23,096 EUR|Low: €10,136 EUR|High: €35,765 EUR|Avg: €15,855 EUR|-0.2%
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
Taylor and Hart
November 1, 2026
Retailer 9€10,558 EUR
Retailer 13€10,980 EUR
Retailer 2€11,160 EUR
Retailer 12€11,479 EUR
Retailer 3€11,825 EUR
Retailer 8€12,076 EUR
Retailer 10€12,248 EUR
Retailer 7€12,995 EUR
Retailer 11€13,061 EUR
Retailer 5€14,182 EUR
Retailer 6€14,767 EUR
Retailer 1€23,096 EUR
Retailer 4€23,722 EUR
Taylor and Hart€35,765 EUR

15 data points across 14 retailers

14 retailers€10,558 EUR to €35,765 EUR

B+
Cheapest Retailer
-
€10,558 EUR
$11,803 USD
B+
Retailer 2
-
€10,980 EUR
$12,275 USD
View
B+
Retailer 3
-
€11,160 EUR
$12,476 USD
View
B+
Retailer 4
-
€11,479 EUR
$12,832 USD
View
B+
Retailer 5
-
€11,825 EUR
$13,219 USD
View
Final sale: no returns
B+
Retailer 6
-
€12,076 EUR
$13,500 USD
View
B+
Retailer 7
-
€12,248 EUR
$13,692 USD
View
Retailer 8
-
€12,248 EUR
$13,692 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
€12,995 EUR
$14,527 USD
View
B+
Retailer 10
-
€13,061 EUR
$14,601 USD
View
Retailer 11
-
€14,767 EUR
£12,999 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
€23,096 EUR
A$39,721 AUD
View
B
Retailer 13
-
€23,722 EUR
$26,519 USD
View
Most Expensive
B
Taylor and Hart
B7WPEKO · Oct 31
€35,765 EUR
$39,982 USD
View
13 more retailers have this diamond
Prices start from €10,558 EURSave up to €25,207 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+
20.49ct Heart
€10,558 EUR