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 €194 EUR
$218 USD
As of November 1, 2026
Save €728 EUR (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €922 EUR at Taylor and Hart · As of October 31, 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 October 31, 2026, with prices from €194 to €922, a €728 spread on the same certified stone. Taylor and Hart lists it at €922. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €293 EUR|Low: €194 EUR|High: €589 EUR|Avg: €377 EUR|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4€194 EUR
Retailer 1€293 EUR
Retailer 2€440 EUR
Retailer 3€585 EUR

43 data points across 4 retailers

5 retailers€194 EUR to €922 EUR

A
Cheapest Retailer
-
€194 EUR
$218 USD
Final sale: no returns
A
Retailer 2
-
€293 EUR
£259 GBP
View
B+
Retailer 3
-
€440 EUR
£388 GBP
View
B+
Retailer 4
-
€585 EUR
A$1,009 AUD
View
Most Expensive
B
Taylor and Hart
WB7A652 · Oct 31
€922 EUR
$1,034 USD
View
4 more retailers have this diamond
Prices start from €194 EURSave up to €728 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
1.31ct Heart
€194 EUR