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 €9,823 EUR
$10,981 USD
As of November 2, 2026
Save €24,227 EUR (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €34,050 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 €9,823 to €34,050, a €24,227 spread on the same certified stone. Taylor and Hart lists it at €34,050. 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
Color
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: €21,516 EUR|Low: €9,823 EUR|High: €38,357 EUR|Avg: €16,845 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€9,823 EUR
Retailer 8€10,216 EUR
Retailer 2€10,538 EUR
Retailer 12€10,679 EUR
Retailer 4€11,002 EUR
Retailer 10€11,395 EUR
Retailer 6€11,396 EUR
Retailer 3€12,157 EUR
Retailer 7€12,279 EUR
Retailer 5€13,459 EUR
Retailer 1€21,516 EUR
Retailer 9€24,688 EUR
Taylor and Hart€34,050 EUR

19 data points across 13 retailers

14 retailers€9,823 EUR to €34,050 EUR

A
Cheapest Retailer
-
€9,823 EUR
$10,981 USD
B+
Retailer 2
-
€10,216 EUR
$11,421 USD
View
B+
Retailer 3
-
€10,538 EUR
$11,780 USD
View
B+
Retailer 4
-
€10,679 EUR
$11,938 USD
View
B+
Retailer 5
-
€11,002 EUR
$12,299 USD
View
Final sale: no returns
B+
Retailer 6
-
€11,395 EUR
$12,738 USD
View
Retailer 7
-
€11,395 EUR
$12,738 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
€11,396 EUR
$12,740 USD
View
B+
Retailer 9
-
€12,157 EUR
$13,590 USD
View
B+
Retailer 10
-
€12,279 EUR
$13,727 USD
View
B+
Retailer 11
-
€13,459 EUR
£11,847 GBP
View
B
Retailer 12
-
€21,516 EUR
A$37,004 AUD
View
B
Retailer 13
-
€24,688 EUR
$27,599 USD
View
Most Expensive
B
Taylor and Hart
632FEXV · Oct 31
€34,050 EUR
$38,064 USD
View
13 more retailers have this diamond
Prices start from €9,823 EURSave up to €24,227 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
€9,823 EUR