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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 $362 SGD
$283 USD
As of November 1, 2026
Save $1,272 SGD (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,634 SGD 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 $362 to $1,634, a $1,272 spread on the same certified stone. Taylor and Hart lists it at $1,634. 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: $779 SGD|Low: $362 SGD|High: $1,720 SGD|Avg: $978 SGD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 3, 2026
Retailer 3$362 SGD
Retailer 2$467 SGD
Retailer 4$607 SGD
Retailer 1$779 SGD
Taylor and Hart$1,634 SGD
Retailer 5$1,720 SGD

40 data points across 6 retailers

5 retailers$362 SGD to $1,634 SGD

A
Cheapest Retailer
-
$362 SGD
$283 USD
Final sale: no returns
A
Retailer 2
-
$467 SGD
£288 GBP
View
A
Retailer 3
-
$607 SGD
$475 USD
View
B+
Retailer 4
-
$779 SGD
£480 GBP
View
Most Expensive
B
Taylor and Hart
KXZBNVW · Oct 31
$1,634 SGD
$1,278 USD
View
4 more retailers have this diamond
Prices start from $362 SGDSave up to $1,272 SGD

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
$362 SGD