Heart|Lab Grown|IGI

1.86ct F VS1 Heart Lab Grown Diamond

VG • F/VS1 • IGI LGG1210807

Certificate IGI LGG1210807

Diamond specifications and retailer prices

From $312 USD
As of November 1, 2026
Save $1,082 USD (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,394 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.86ct lab-grown heart diamond

This 1.86ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LGG1210807. Listed at 6 retailers as of October 31, 2026, with prices from $312 to $1,394, a $1,082 spread on the same certified stone. Taylor and Hart lists it at $1,394. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.86
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGG1210807
Dimensions7.85 × 8.68 × 4.74 mm
L/W Ratio1.11
Top View
7.85 mm8.68 mm1.86 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGG1210807
Side View
Table 58.0%CrownGirdle: MED-UNDPavilionCulet: NoneDepth 54.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $447 USD|Low: $312 USD|High: $900 USD|Avg: $573 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$312 USD
Retailer 1$447 USD
Retailer 2$681 USD
Retailer 3$892 USD

44 data points across 4 retailers

6 retailers$312 USD to $1,394 USD

A
Cheapest Retailer
-
$312 USD
Final sale: no returns
A
Retailer 2
-
$447 USD
£352 GBP
View
A
Retailer 3
-
$505 USD
View
B+
Retailer 4
-
$681 USD
£536 GBP
View
B+
Retailer 5
-
$892 USD
A$1,373 AUD
View
Most Expensive
B
Taylor and Hart
9S53ZXD · Oct 31
$1,394 USD
View
5 more retailers have this diamond
Prices start from $312 USDSave up to $1,082 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
1.86ct Heart
$312 USD