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Heart|Lab Grown|IGI

21.10ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG782617670

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG782617670

Diamond specifications and retailer prices

From €9,790 EUR
$10,981 USD
As of November 2, 2026
Save €24,147 EUR (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €33,937 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 21.1ct lab-grown heart diamond

This 21.1ct 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 LG782617670 or 782617670. Listed at 14 retailers as of October 31, 2026, with prices from €9,790 to €33,937, a €24,147 spread on the same certified stone. Taylor and Hart lists it at €33,937. 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

21.10
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782617670
Dimensions19.21 × 16.45 × 9.02 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.21 mm16.45 mm21.10 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782617670
Side View
Table 70.0%Crown 33.2°Girdle: THK-VTKPavilion 30.4°Culet: NoneDepth 47.0%

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 2
Current: €21,445 EUR|Low: €9,790 EUR|High: €38,230 EUR|Avg: €16,790 EUR|-23.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 11€9,790 EUR
Retailer 8€10,183 EUR
Retailer 2€10,503 EUR
Retailer 12€10,644 EUR
Retailer 4€10,966 EUR
Retailer 10€11,357 EUR
Retailer 6€11,359 EUR
Retailer 3€12,117 EUR
Retailer 7€12,239 EUR
Retailer 5€13,414 EUR
Retailer 1€21,445 EUR
Retailer 9€24,607 EUR
Taylor and Hart€33,937 EUR

19 data points across 13 retailers

14 retailers€9,790 EUR to €33,937 EUR

A
Cheapest Retailer
-
€9,790 EUR
$10,981 USD
B+
Retailer 2
-
€10,183 EUR
$11,421 USD
View
B+
Retailer 3
-
€10,503 EUR
$11,780 USD
View
B+
Retailer 4
-
€10,644 EUR
$11,938 USD
View
B+
Retailer 5
-
€10,966 EUR
$12,299 USD
View
Final sale: no returns
B+
Retailer 6
-
€11,357 EUR
$12,738 USD
View
Retailer 7
-
€11,357 EUR
$12,738 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
€11,359 EUR
$12,740 USD
View
B+
Retailer 9
-
€12,117 EUR
$13,590 USD
View
B+
Retailer 10
-
€12,239 EUR
$13,727 USD
View
B+
Retailer 11
-
€13,414 EUR
£11,847 GBP
View
B
Retailer 12
-
€21,445 EUR
A$37,004 AUD
View
B
Retailer 13
-
€24,607 EUR
$27,599 USD
View
Most Expensive
B
Taylor and Hart
632FEXV · Oct 31
€33,937 EUR
$38,064 USD
View
13 more retailers have this diamond
Prices start from €9,790 EURSave up to €24,147 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
21.10ct Heart
€9,790 EUR