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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 $4,390 USD
As of October 31, 2026
Save $10,553 USD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $14,943 USD 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 10 retailers as of October 31, 2026, with prices from $4,390 to $14,943, a $10,553 spread on the same certified stone. Taylor and Hart lists it at $14,943. 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: Oct 31
Current: $7,931 USD|Low: $2,820 USD|High: $14,943 USD|Avg: $7,593 USD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 3$4,232 USD
Retailer 7$4,390 USD
Retailer 11$4,979 USD
Retailer 6$5,727 USD
Retailer 4$6,555 USD
Retailer 8$6,566 USD
Retailer 2$6,570 USD
Retailer 10$7,278 USD
Retailer 1$7,931 USD
Retailer 5$11,300 USD
Retailer 9$14,395 USD
Taylor and Hart$14,943 USD

18 data points across 12 retailers

10 retailers$4,390 USD to $14,943 USD

A
Cheapest Retailer
-
$4,390 USD
A
Retailer 2
-
$4,979 USD
HK$38,900 HKD
View
B+
Retailer 3
-
$5,727 USD
View
B+
Retailer 4
-
$6,555 USD
ZAR 105,903 ZAR
View
B+
Retailer 5
-
$6,566 USD
View
B+
Retailer 6
-
$7,278 USD
View
B+
Retailer 7
-
$7,931 USD
A$12,201 AUD
View
B
Retailer 8
-
$11,300 USD
View
B
Retailer 9
-
$14,395 USD
SGD 19,453 SGD
View
Most Expensive
B
Taylor and Hart
DCS2XKP · Oct 31
$14,943 USD
View
9 more retailers have this diamond
Prices start from $4,390 USDSave up to $10,553 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
11.89ct Heart
$4,390 USD