Heart|Lab Grown|IGI

1.17ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG840660423

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840660423

Diamond specifications and retailer prices

From $190 USD
As of November 1, 2026
Save $104 USD (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $770 USD at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 1.17ct lab-grown heart diamond

This 1.17ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840660423 or 840660423. Listed at 3 retailers as of November 1, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840660423
Dimensions6.12 × 7.16 × 4.41 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.12 mm7.16 mm1.17 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840660423
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $190 USD|Low: $190 USD|High: $442 USD|Avg: $332 USD|-2.6%
Retailer 1
Retailer 2
Retailer 3
October 27, 2026
Retailer 1$190 USD
Retailer 2$294 USD
Retailer 3$442 USD

5 data points across 3 retailers

3 retailers$190 USD to $294 USD

A
Cheapest Retailer
-
$190 USD
Final sale: no returns
B+
Retailer 2
-
$294 USD
View
Most Expensive
Brilliant Earth
21612722A · Oct 1
$770 USD
View
Price last confirmed 32 days ago
2 more retailers have this diamond
Prices start from $190 USDSave up to $104 USD

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
1.17ct Heart
$190 USD