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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 $10,981 USD
As of November 2, 2026
Save $27,083 USD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $38,064 USD 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 $10,981 to $38,064, a $27,083 spread on the same certified stone. Taylor and Hart lists it at $38,064. 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: $24,053 USD|Low: $10,981 USD|High: $42,879 USD|Avg: $18,831 USD|-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$10,981 USD
Retailer 8$11,421 USD
Retailer 2$11,780 USD
Retailer 12$11,938 USD
Retailer 4$12,299 USD
Retailer 10$12,738 USD
Retailer 6$12,740 USD
Retailer 3$13,590 USD
Retailer 7$13,727 USD
Retailer 5$15,045 USD
Retailer 1$24,053 USD
Retailer 9$27,599 USD
Taylor and Hart$38,064 USD

19 data points across 13 retailers

14 retailers$10,981 USD to $38,064 USD

A
Cheapest Retailer
-
$10,981 USD
B+
Retailer 2
-
$11,421 USD
View
B+
Retailer 3
-
$11,780 USD
View
B+
Retailer 4
-
$11,938 USD
View
B+
Retailer 5
-
$12,299 USD
View
Final sale: no returns
B+
Retailer 6
-
$12,738 USD
View
Retailer 7
-
$12,738 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$12,740 USD
View
B+
Retailer 9
-
$13,590 USD
View
B+
Retailer 10
-
$13,727 USD
View
B+
Retailer 11
-
$15,045 USD
£11,847 GBP
View
B
Retailer 12
-
$24,053 USD
A$37,004 AUD
View
B
Retailer 13
-
$27,599 USD
View
Most Expensive
B
Taylor and Hart
632FEXV · Oct 31
$38,064 USD
View
13 more retailers have this diamond
Prices start from $10,981 USDSave up to $27,083 USD

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
$10,981 USD