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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 $445 AUD
$312 USD
As of November 1, 2026
Save $1,544 AUD (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,989 AUD 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 $445 to $1,989, a $1,544 spread on the same certified stone. Taylor and Hart lists it at $1,989. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $972 AUD|Low: $445 AUD|High: $1,284 AUD|Avg: $819 AUD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4$445 AUD
Retailer 2$638 AUD
Retailer 1$972 AUD
Retailer 3$1,273 AUD

44 data points across 4 retailers

6 retailers$445 AUD to $1,989 AUD

A
Cheapest Retailer
-
$445 AUD
$312 USD
Final sale: no returns
A
Retailer 2
-
$638 AUD
£352 GBP
View
A
Retailer 3
-
$721 AUD
$505 USD
View
B+
Retailer 4
-
$972 AUD
£536 GBP
View
B+
Retailer 5
-
$1,273 AUD
View
Most Expensive
B
Taylor and Hart
9S53ZXD · Oct 31
$1,989 AUD
$1,394 USD
View
5 more retailers have this diamond
Prices start from $445 AUDSave up to $1,544 AUD

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
$445 AUD