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Heart|Lab Grown|IGI

1.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG677507556

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677507556

Diamond specifications and retailer prices

From €225 EUR
$251 USD
As of October 30, 2026
Save €1,324 EUR (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,549 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG677507556 or 677507556. Listed at 21 retailers as of October 30, 2026, with prices from €225 to €1,549, a €1,324 spread on the same certified stone. Brilliant Earth lists it at €1,549. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677507556
Dimensions7.24 × 8.03 × 4.57 mm
L/W Ratio1.11
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
7.24 mm8.03 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677507556
Side View
Table 58.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 56.9%

Caratlytics Score

How it works →
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: €1,549 EUR|Low: €216 EUR|High: €1,728 EUR|Avg: €622 EUR|-10.4%
Brilliant Earth
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 5€225 EUR
Retailer 4€252 EUR
Retailer 9€261 EUR
Retailer 6€279 EUR
Retailer 18€279 EUR
Retailer 16€328 EUR
Retailer 11€425 EUR
Retailer 2€466 EUR
Retailer 8€467 EUR
Retailer 14€479 EUR
Retailer 10€515 EUR
Retailer 12€531 EUR
Retailer 15€650 EUR
Retailer 17€723 EUR
Retailer 7€897 EUR
Retailer 3€1,098 EUR
Retailer 13€1,124 EUR
Brilliant Earth€1,549 EUR

43 data points across 18 retailers

21 retailers€225 EUR to €1,549 EUR

A
Cheapest Retailer
-
€225 EUR
$251 USD
A
Retailer 2
-
€252 EUR
$281 USD
View
Final sale: no returns
A
Retailer 3
-
€261 EUR
$292 USD
View
A
Retailer 4
-
€279 EUR
$312 USD
View
A
Retailer 5
-
€279 EUR
$312 USD
View
Retailer 6
-
€328 EUR
£288 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€425 EUR
$475 USD
View
A
Retailer 8
-
€466 EUR
View
B+
Retailer 9
-
€466 EUR
$521 USD
View
B+
Retailer 10
-
€467 EUR
$522 USD
View
A
Retailer 11
-
€479 EUR
ZAR 8,653 ZAR
View
B+
Retailer 12
-
€515 EUR
$575 USD
View
B+
Retailer 13
-
€531 EUR
£467 GBP
View
B+
Retailer 14
-
€650 EUR
A$1,118 AUD
View
B+
Retailer 15
-
€723 EUR
$808 USD
View
B
Retailer 16
-
€861 EUR
$962 USD
View
B
Retailer 17
-
€897 EUR
$1,002 USD
View
B
Retailer 18
-
€943 EUR
$1,054 USD
View
B
Retailer 19
-
€1,098 EUR
$1,227 USD
View
B
Retailer 20
-
€1,124 EUR
£989 GBP
View
Most Expensive
B
Brilliant Earth
14978679A · Oct 30
€1,549 EUR
$1,730 USD
View
20 more retailers have this diamond
Prices start from €225 EURSave up to €1,324 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
1.51ct Heart
€225 EUR