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Heart|Lab Grown|IGI

1.71ct F VVS1 Heart Lab Grown Diamond

VG • F/VVS1 • IGI LGG1202302

Certificate IGI LGG1202302

Diamond specifications and retailer prices

From $414 AUD
$290 USD
As of November 1, 2026
Save $1,451 AUD (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,865 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.71ct lab-grown heart diamond

This 1.71ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LGG1202302. Listed at 6 retailers as of October 31, 2026, with prices from $414 to $1,865, a $1,451 spread on the same certified stone. Taylor and Hart lists it at $1,865. 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

1.71
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGG1202302
Dimensions7.52 × 8.23 × 4.72 mm
L/W Ratio1.09
Top View
7.52 mm8.23 mm1.71 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGG1202302
Side View
Table 49.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.4%

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: $536 AUD|Low: $414 AUD|High: $1,969 AUD|Avg: $1,127 AUD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 2, 2026
Retailer 4$414 AUD
Retailer 1$536 AUD
Retailer 6$685 AUD
Retailer 2$895 AUD
Retailer 3$1,178 AUD
Taylor and Hart$1,865 AUD
Retailer 5$1,969 AUD

39 data points across 7 retailers

6 retailers$414 AUD to $1,865 AUD

A
Cheapest Retailer
-
$414 AUD
$290 USD
Final sale: no returns
A
Retailer 2
-
$536 AUD
£296 GBP
View
A
Retailer 3
-
$685 AUD
$480 USD
View
B+
Retailer 4
-
$895 AUD
£494 GBP
View
B+
Retailer 5
-
$1,178 AUD
View
Most Expensive
B
Taylor and Hart
4NAJ9YA · Oct 31
$1,865 AUD
$1,307 USD
View
5 more retailers have this diamond
Prices start from $414 AUDSave up to $1,451 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
1.71ct Heart
$414 AUD