Heart|Lab Grown|IGI

0.51ct E VS2 Heart Lab Grown Diamond

VG • E/VS2 • IGI LG649440284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG649440284

Diamond specifications and retailer prices

From $428 USD
£337 GBP
As of October 29, 2026
Save $125 USD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $553 USD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG649440284 or 649440284. Listed at 2 retailers as of October 29, 2026, with prices from $428 to $553, a $125 spread on the same certified stone. Diamond Quarter lists it at $553. 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

0.51
Carat
E
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649440284
Dimensions4.70 × 5.47 × 3.15 mm
L/W Ratio1.16
Girdle conditionFaceted
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
4.70 mm5.47 mm0.51 ctE / VS2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG649440284
Side View
Table 62.0%Crown 35.1°Girdle: VTK-ETKPavilion 40.6°Culet: NoneDepth 57.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $298 USD|Low: $298 USD|High: $575 USD|Avg: $440 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
January 4, 2026
Retailer 1$298 USD
Retailer 3$428 USD
Retailer 4$480 USD
Retailer 2$574 USD

9 data points across 4 retailers

2 retailers$428 USD to $553 USD

B
Cheapest Retailer
-
$428 USD
£337 GBP
Most Expensive
C
Diamond Quarter
0.51VS2ELG848AC3N · Oct 29
$553 USD
£436 GBP
View
1 more retailer has this diamond
Prices start from $428 USDSave up to $125 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.

B
0.51ct Heart
$428 USD