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Heart|Lab Grown|IGI

1.31ct F VVS1 Heart Lab Grown Diamond

VG • F/VVS1 • IGI LGG1215709

Certificate IGI LGG1215709

Diamond specifications and retailer prices

From $311 AUD
As of November 4, 2026
Save $1,166 AUD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,477 AUD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.31ct lab-grown heart diamond

This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LGG1215709. Listed at 5 retailers as of November 4, 2026, with prices from $311 to $1,477, a $1,166 spread on the same certified stone. Taylor and Hart lists it at $1,477. 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

1.31
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGG1215709
Dimensions6.83 × 7.59 × 4.35 mm
L/W Ratio1.11
Top View
6.83 mm7.59 mm1.31 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGG1215709
Side View
Table 61.0%CrownGirdle: STK-UNDPavilionCulet: NoneDepth 57.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $466 AUD|Low: $311 AUD|High: $943 AUD|Avg: $603 AUD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 4$311 AUD
Retailer 1$466 AUD
Retailer 2$703 AUD
Retailer 3$936 AUD

45 data points across 4 retailers

5 retailers$311 AUD to $1,477 AUD

A
Cheapest Retailer
-
$311 AUD
Final sale: no returns
A
Retailer 2
-
$466 AUD
View
B+
Retailer 3
-
$703 AUD
View
B+
Retailer 4
-
$936 AUD
View
Most Expensive
B
Taylor and Hart
WB7A652 · Nov 4
$1,477 AUD
$1,034 USD
View
4 more retailers have this diamond
Prices start from $311 AUDSave up to $1,166 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
1.31ct Heart
$311 AUD