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Heart|Lab Grown|IGI

1.27ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG591310918

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591310918

Diamond specifications and retailer prices

From €167 EUR
$187 USD
As of October 30, 2026
Save €1,663 EUR (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,830 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.27ct lab-grown heart diamond

This 1.27ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591310918 or 591310918. Listed at 19 retailers as of October 27, 2026, with prices from €167 to €1,830, a €1,663 spread on the same certified stone. Queensmith lists it at €1,830. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591310918
Dimensions6.96 × 7.33 × 4.29 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.96 mm7.33 mm1.27 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591310918
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.5%

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: Oct 30
Current: €377 EUR|Low: €167 EUR|High: €982 EUR|Avg: €452 EUR|-8.6%
Retailer 1
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 1, 2026
Retailer 8€167 EUR
Retailer 6€187 EUR
Retailer 4€194 EUR
Retailer 3€208 EUR
Retailer 16€208 EUR
Retailer 9€352 EUR
Retailer 12€357 EUR
Retailer 7€365 EUR
Retailer 1€377 EUR
Retailer 2€421 EUR
Retailer 13€507 EUR
Retailer 10€662 EUR
Retailer 15€668 EUR
Retailer 14€670 EUR
Retailer 5€716 EUR
Retailer 11€976 EUR

43 data points across 16 retailers

19 retailers€167 EUR to €1,830 EUR

A
Cheapest Retailer
-
€167 EUR
$187 USD
A
Retailer 2
-
€187 EUR
$209 USD
View
Final sale: no returns
A
Retailer 3
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€194 EUR
$217 USD
View
A
Retailer 4
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€208 EUR
$232 USD
View
A
Retailer 5
-
€208 EUR
$232 USD
View
Retailer 6
-
€230 EUR
$257 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
€352 EUR
View
A
Retailer 8
-
€357 EUR
ZAR 6,438 ZAR
View
A
Retailer 9
-
€365 EUR
$408 USD
View
A
Retailer 10
-
€377 EUR
£331 GBP
View
A
Retailer 11
-
€421 EUR
$470 USD
View
B+
Retailer 12
-
€507 EUR
A$871 AUD
View
B+
Retailer 13
-
€526 EUR
$588 USD
View
B+
Retailer 14
-
€662 EUR
$740 USD
View
B+
Retailer 15
-
€668 EUR
$746 USD
View
Retailer 16
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€670 EUR
$749 USD
View
Price last confirmed 12 days ago
B
Retailer 17
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€716 EUR
$800 USD
View
B
Retailer 18
-
€976 EUR
£859 GBP
View
Most Expensive
B
Queensmith
LG591310918 · Oct 27
€1,830 EUR
£1,610 GBP
View
18 more retailers have this diamond
Prices start from €167 EURSave up to €1,663 EUR

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
1.27ct Heart
€167 EUR