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Heart|Lab Grown|IGI

11.89ct H VS1 Heart Lab Grown Diamond

ID • H/VS1 • IGI LG665415929

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665415929

Diamond specifications and retailer prices

From €3,556 EUR
$3,973 USD
As of November 1, 2026
Save €9,819 EUR (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €13,376 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.89ct lab-grown heart diamond

This 11.89ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665415929 or 665415929. Listed at 11 retailers as of October 31, 2026, with prices from €3,556 to €13,376, a €9,819 spread on the same certified stone. Taylor and Hart lists it at €13,376. 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

11.89
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415929
Dimensions14.20 × 16.00 × 9.09 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.20 mm16.00 mm11.89 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415929
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 56.8%

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 1
Current: €3,556 EUR|Low: €2,524 EUR|High: €13,376 EUR|Avg: €6,781 EUR
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 1€3,556 EUR
Retailer 4€3,788 EUR
Retailer 9€3,929 EUR
Retailer 2€4,457 EUR
Retailer 8€5,126 EUR
Retailer 6€5,868 EUR
Retailer 10€5,877 EUR
Retailer 3€5,881 EUR
Retailer 12€6,514 EUR
Retailer 5€7,099 EUR
Retailer 7€10,115 EUR
Retailer 11€12,885 EUR
Taylor and Hart€13,376 EUR

18 data points across 13 retailers

11 retailers€3,556 EUR to €13,376 EUR

Cheapest Retailer
-
€3,556 EUR
$3,973 USD
A
Retailer 2
-
€3,929 EUR
$4,390 USD
View
A
Retailer 3
-
€4,457 EUR
HK$38,900 HKD
View
B+
Retailer 4
-
€5,126 EUR
$5,727 USD
View
B+
Retailer 5
-
€5,868 EUR
ZAR 105,903 ZAR
View
B+
Retailer 6
-
€5,877 EUR
$6,566 USD
View
B+
Retailer 7
-
€6,514 EUR
$7,278 USD
View
B+
Retailer 8
-
€7,099 EUR
A$12,201 AUD
View
B
Retailer 9
-
€10,115 EUR
$11,300 USD
View
B
Retailer 10
-
€12,885 EUR
SGD 19,453 SGD
View
Most Expensive
B
Taylor and Hart
DCS2XKP · Oct 31
€13,376 EUR
$14,943 USD
View
10 more retailers have this diamond
Prices start from €3,556 EURSave up to €9,819 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
11.89ct Heart
€3,556 EUR