CaratHunter
Plans
Heart|Lab Grown|IGI

1.66ct F VVS1 Heart Lab Grown Diamond

VG • F/VVS1 • IGI LGG1203217

Certificate IGI LGG1203217

Diamond specifications and retailer prices

From $404 AUD
$283 USD
As of November 1, 2026
Save $1,420 AUD (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,823 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.66ct lab-grown heart diamond

This 1.66ct 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 LGG1203217. Listed at 5 retailers as of October 31, 2026, with prices from $404 to $1,823, a $1,420 spread on the same certified stone. Taylor and Hart lists it at $1,823. 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

1.66
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGG1203217
Dimensions7.40 × 8.06 × 4.75 mm
L/W Ratio1.09
Top View
7.40 mm8.06 mm1.66 ctF / VVS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LGG1203217
Side View
Table 49.5%CrownGirdle: MED-STKPavilionCulet: NoneDepth 58.9%

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: $869 AUD|Low: $404 AUD|High: $1,919 AUD|Avg: $1,091 AUD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 3, 2026
Retailer 3$404 AUD
Retailer 2$521 AUD
Retailer 4$678 AUD
Retailer 1$869 AUD
Taylor and Hart$1,823 AUD
Retailer 5$1,919 AUD

40 data points across 6 retailers

5 retailers$404 AUD to $1,823 AUD

A
Cheapest Retailer
-
$404 AUD
$283 USD
Final sale: no returns
A
Retailer 2
-
$521 AUD
£288 GBP
View
A
Retailer 3
-
$678 AUD
$475 USD
View
B+
Retailer 4
-
$869 AUD
£480 GBP
View
Most Expensive
B
Taylor and Hart
KXZBNVW · Oct 31
$1,823 AUD
$1,278 USD
View
4 more retailers have this diamond
Prices start from $404 AUDSave up to $1,420 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
1.66ct Heart
$404 AUD