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Heart|Lab Grown|IGI

1.26ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG803648319

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG803648319

Diamond specifications and retailer prices

From $313 USD
As of November 4, 2026
Save $1,244 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,557 USD at MOH London · As of November 3, 2026
View at MOH London

About this 1.26ct lab-grown heart diamond

This 1.26ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803648319 or 803648319. Listed at 17 retailers as of November 3, 2026, with prices from $313 to $1,557, a $1,244 spread on the same certified stone. MOH London lists it at $1,557. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.5°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803648319
Dimensions6.91 × 6.36 × 3.74 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.91 mm6.36 mm1.26 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803648319
Side View
Table 58.0%Crown 29.5°Girdle: VTK-ETKPavilion 30.6°Culet: NoneDepth 54.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,557 USD|Low: $301 USD|High: $1,576 USD|Avg: $757 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 4$313 USD
Retailer 16$350 USD
Retailer 7$363 USD
Retailer 5$389 USD
Retailer 14$467 USD
Retailer 13$545 USD
Retailer 15$555 USD
Retailer 8$637 USD
Retailer 12$639 USD
Retailer 11$669 USD
Retailer 9$685 USD
Retailer 10$1,032 USD
Retailer 2$1,120 USD
Retailer 6$1,249 USD
Retailer 3$1,555 USD
MOH London$1,557 USD

44 data points across 16 retailers

17 retailers$313 USD to $1,557 USD

A
Cheapest Retailer
-
$313 USD
A
Retailer 2
-
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$363 USD
View
A
Retailer 4
-
$389 USD
View
B+
Retailer 5
-
$510 USD
View
B+
Retailer 6
-
$545 USD
View
B+
Retailer 7
-
$555 USD
View
B
Retailer 8
-
$637 USD
View
B+
Retailer 9
-
$639 USD
View
B+
Retailer 10
-
$669 USD
View
B+
Retailer 11
-
$685 USD
View
B
Retailer 12
-
$1,032 USD
View
B
Retailer 13
-
$1,120 USD
View
B
Retailer 14
-
$1,249 USD
View
B
Retailer 15
-
$1,294 USD
View
B
Retailer 16
-
$1,555 USD
View
Most Expensive
B
MOH London
LG803648319 · Nov 3
$1,557 USD
£1,226 GBP
View
16 more retailers have this diamond
Prices start from $313 USDSave up to $1,244 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
1.26ct Heart
$313 USD